Comparison 2026 · Casio Smartwatch

The 10 best Casio Smartwatch

Thousands of features, customer ratings and daily prices analysed. Updated: November 2026.

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  • ✓ Up-to-date prices
  • ✓ Simple & clear
  • ✓ Last updated on 9 November 2026

Best overall
−3 % CASIO Digital, for Men, GW-5000U-1ER

Casio

CASIO Digital, for Men, GW-5000U-1ER

Unisex digital watch from the brand Casio

714 views today

Score 9.8/10 Excellent

Today only 3 % off – save £7.47! was £250.30

View deal

Available on Amazon

Product features

  • Unisex digital watch from the brand Casio
  • Rectangular resin LCD sphere with solar energy movement
  • With mineral glass
  • Grey resin strap
  • Submersible up to 20 bars
  • Availability – Auf Lager – In stock
Best value
−29 % Amazfit T-Rex 3 Outdoor Smartwatch 48mm, AMOLED Display, 6-Satellite System | Offline Maps & Dual-Band GPS, 27 Days Battery, NFC Payment, Fitness Tracker with 170 Sports, 45m Freediving, for Adventure

Amazfit

Amazfit T-Rex 3 Outdoor Smartwatch 48mm, AMOLED Display, 6-Satellite System | Offline Maps & Dual-Band GPS, 27...

Large, Bright Display: The AMOLED display can reach peak brightness of 2,000 nits; read your maps and workout data easily in any light. Night mode reduces eye strain in the dark, and Glove Mode keeps the screen responsive when wearing 2mm thick gloves.

629 views today

Score 9.6/10 Excellent

Today only 29 % off – save £79.91! was £279.90

View deal

Available on Amazon

Product features

  • Large, Bright Display: The AMOLED display can reach peak brightness of 2,000 nits; read your maps and workout data easily in any light. Night mode reduces eye strain in the dark, and Glove Mode keeps the screen responsive when wearing 2mm thick gloves.
  • Built for Adventure: Endure any challenge with a 316L stainless steel bezel and buttons. The military-grade body can resist 70℃ heat and -30℃ cold. Water-resistant to 100m, the watch is great for surfing, and can be used for freediving to a depth of 45m.
  • 27 Days of Battery Life: The Amazfit T-Rex 3 can last for 27 days with typical use, 42 hours in GPS Accurate Mode, and up to 114 hours in GPS Long Battery Life Mode. With some settings disabled, GPS usage can even last up to 180 hours for long hikes.
  • Free Maps & Advanced GPS: Download free global, contour, and snow maps. Track your adventures accurately with dual-band positioning, backed up by 6 satellite systems for fast connection. Import route files and get turn directions as you go.
  • Contactless NFC Payment: Zepp Pay allows you to bind up to eight bank cards at a time to your Amazfit T-Rex 3, for password-protected contactless payment directly from your wrist.
  • 170+ Workout Modes & AI Training Plans: Explore 170+ workout modes including hiking, strength training, ultramarathon, surfing, skiing, and more. Get personalized AI-generated training plans, real-time performance updates, and more.
  • Enhanced Privacy Protection: Amazfit T-Rex 3 offers top-tier data protection from Amazon Web Services, ensuring GDPR compliance. Take full control of your privacy by choosing to enable or disable GPS data storage.
  • Availability – Auf Lager – In stock
−4 % Casio ECB-2000DC-1AEF Mens Wristwatch Bluetooth technology

Casio

Casio ECB-2000DC-1AEF Mens Wristwatch Bluetooth technology

Case

802 views today

Score 9.5/10 Excellent

Today only 4 % off – save £7.54! was £213.54

View deal

Available on Amazon

Product features

  • Case
  • - Case Material: Stainless Steel
  • - Case Shape: Round
  • - Case Colour: Black
  • - Crystal: Mineral crystal
  • Availability – LEADTIME – Usually dispatched within 3 to 4 days
−15 % CASIO - Men's Watch LCW-M100DSE-1AER

Casio

CASIO - Men's Watch LCW-M100DSE-1AER

A light-emitting diode (LED) is used to illuminate the watch face

108 views today

Score 9.2/10 Very good

Today only 15 % off – save £25.09! was £165.89

View deal

Available on Amazon

Product features

  • A light-emitting diode (LED) is used to illuminate the watch face
  • A solar cell provides power for operation
  • Displays the current time in major cities and specific areas around the world
  • An indicator shows the current battery level
  • Availability – Nur noch wenige auf Lager – Only 1 left in stock.
Casio Gents G-Shock Bluetooth Watch GA-B010-1A1ER

Casio

Casio Gents G-Shock Bluetooth Watch GA-B010-1A1ER

SMART FEATURES: Bluetooth connectivity for automatic time adjustment, step tracking, world time functionality, and dual LED illumination for enhanced visibility.

544 views today

Score 9.2/10 Very good
View deal

Available on Amazon

Product features

  • SMART FEATURES: Bluetooth connectivity for automatic time adjustment, step tracking, world time functionality, and dual LED illumination for enhanced visibility.
  • DURABILITY: Shock-resistant construction with 200-metre water resistance, perfect for both daily wear and outdoor activities.
  • DISPLAY: Bold analogue-digital display with grey dial and metallic sunray ring, featuring luminous hands and indices for clear readability.
  • CONSTRUCTION: Lightweight bio-based resin case measuring 49mm in diameter and 15mm in thickness, with a comfortable black resin strap.
  • TECHNICAL SPECS: Solar-powered movement with stopwatch function, day-date display, and adjustable strap length of 160-210mm.
  • Availability – LEADTIME – Usually dispatched within 3 to 4 days
−16 % Casio GBX-100NS-1ER Sports Watch, Black, Sporty

Casio

Casio GBX-100NS-1ER Sports Watch, Black, Sporty

Material Composition: Resin construction with digital display, weighing 180 grams, IP67 international protection rating, silver oxide battery powered

329 views today

Score 9/10 Very good

Today only 16 % off – save £24.46! was £154.99

View deal

Available on Amazon

Product features

  • Material Composition: Resin construction with digital display, weighing 180 grams, IP67 international protection rating, silver oxide battery powered
  • Design Features: 46mm digital display with glow-in-the-dark illumination function, black colour scheme, quartz movement mechanism for accurate timekeeping
  • Functionality: Bluetooth connectivity technology compatible with smartphone devices, G-SHOCK MOVE application support, Wear OS operating system integration
  • Specifications: 200-metre water resistance suitable for swimming, alarm function, sports watch design specifically for male audience from G-Shock collection
  • Care Instructions: Water to 200 metres, suitable for aquatic activities, battery replacement required for continued operation, wipe with dry cloth
  • Availability – Auf Lager – In stock
Casio G-Shock Mens Digital Watch with LED Dial and White Strap GBD-200-7ER

Casio

Casio G-Shock Mens Digital Watch with LED Dial and White Strap GBD-200-7ER

G-SHOCK TOUGHNESS: Built with signature G-SHOCK shock resistance and 20-bar water resistance — engineered to withstand impacts, vibration, and heavy rain or swimming

77 views today

Score 8.9/10 Good
View deal

Available on Amazon

Product features

  • G-SHOCK TOUGHNESS: Built with signature G-SHOCK shock resistance and 20-bar water resistance — engineered to withstand impacts, vibration, and heavy rain or swimming
  • BLUETOOTH SMARTPHONE LINK: Connects to the Casio Watches app via Bluetooth for smartphone GPS distance tracking, automatic time adjustment, and training data review
  • HIGH-VISIBILITY MIP DISPLAY: Memory-in-Pixel screen delivers sharp, clear readability even in direct sunlight for checking pace and stats mid-workout
  • STEP TRACKER AND TRAINING TOOLS: Built-in step counter with interval timer, countdown, and auto-lap functions for structured running and daily activity monitoring
  • COMFORTABLE SPORT FIT: Lightweight 59-gram resin case with a soft urethane white band and 2-year battery life — designed for active lifestyles from gym to street
  • MODERN SPORTY DESIGN: Features accent colours and subtle honeycomb pattern on the glass, combining athletic functionality with contemporary style suitable for training and casual wear
  • Availability – Nur noch wenige auf Lager – Only 3 left in stock (more on the way).
−15 % Casio Men's Multi Dial Quartz Watch Collection

Casio

Casio Men's Multi Dial Quartz Watch Collection

To the moon and back — track the lunar phases with striking analog timepieces featuring multiple inset dials. These timepieces bring together stylish fashion and classic lunar design. This Multi Dial watch has a Calendar function: Day-Date and Moonphase

392 views today

Score 8.9/10 Good

Today only 15 % off – save £15.00! was £99.90

View deal

Available on Amazon

Product features

  • To the moon and back — track the lunar phases with striking analog timepieces featuring multiple inset dials. These timepieces bring together stylish fashion and classic lunar design. This Multi Dial watch has a Calendar function: Day-Date and Moonphase
  • High quality 21 cm length and 20 mm width Silver Stainless steel strap with a Folding Clasp
  • Case measurement: 34 X 37 mm, case thickness: 9 mm, case colour: Silver and dial colour: Black
  • Water resistant: 5 bars -Weight: 84 g
  • The watch is delivered in an original gift box and has a warranty of 2 years
  • Availability – Auf Lager – In stock
Casio G-Shock G-SQUAD GD-B500-1ER Mens Wristwatch | Resin case, resin strap, mineral glass, water resistant to 20 bar, day and date

G-Shock

Casio G-Shock G-SQUAD GD-B500-1ER Mens Wristwatch | Resin case, resin strap, mineral glass, water resistant to...

Case

243 views today

Score 8.8/10 Good
View deal

Available on Amazon

Product features

  • Case
  • - Case Material: Resine
  • - Case Colour: Black
  • - Crystal: Mineral crystal
  • - Back: Stainless steel back
  • Availability – Auf Lager – In stock
−12 % Casio Collection Mens Digital Watch with Blue Dial and Silver Strap ABL-100WE-2AEF

Casio

Casio Collection Mens Digital Watch with Blue Dial and Silver Strap ABL-100WE-2AEF

Silver

388 views today

Score 8.6/10 Good

Today only 12 % off – save £7.20! was £60.95

View deal

Available on Amazon

Product features

  • Silver
  • 21mm
  • 38mm
  • Blue
  • Availability – AVAILABLE_DATE

More information on the top products

All details come from the manufacturer. Prices and availability may have changed since they were last retrieved.

CASIO Digital, for Men, GW-5000U-1ER

Casio

CASIO Digital, for Men, GW-5000U-1ER

  • No. 1 in the comparison · Score 9.8/10 (Excellent)
  • Now £242.83 was £250.30
  • Auf Lager – In stock

Unisex digital watch from the brand Casio

Technical details

Colour
Black
Manufacturer
Casio
Size
36 x 40 mm
Quantity
1
Weight
0.08 kg
Dimensions
0.0 × 0.0 × 0.0 cm

Product features

  • Unisex digital watch from the brand Casio
  • Rectangular resin LCD sphere with solar energy movement
  • With mineral glass
  • Grey resin strap
  • Submersible up to 20 bars
Amazfit T-Rex 3 Outdoor Smartwatch 48mm, AMOLED Display, 6-Satellite System | Offline Maps & Dual-Band GPS, 27 Days Battery, NFC Payment, Fitness Tracker with 170 Sports, 45m Freediving, for Adventure

Amazfit

Amazfit T-Rex 3 Outdoor Smartwatch 48mm, AMOLED Display, 6-Satellite System | Offline Maps & Dual-Band GPS, 27 Days Battery, NFC Payment, Fitness Tracker with 170 Sports, 45m Freediving, for Adventure

  • No. 2 in the comparison · Score 9.6/10 (Excellent)
  • Now £199.99 was £279.90
  • Auf Lager – In stock

Large, Bright Display: The AMOLED display can reach peak brightness of 2,000 nits; read your maps and workout data easily in any light. Night mode reduces eye strain in the dark, and Glove Mode keeps the screen responsive when wearing 2mm thick gloves.

Technical details

Colour
Onyx Black
Manufacturer
Amazfit
Size
One Size
Quantity
3
Weight
0.26 kg
Dimensions
0.0 × 0.0 × 0.0 cm

Product features

  • Large, Bright Display: The AMOLED display can reach peak brightness of 2,000 nits; read your maps and workout data easily in any light. Night mode reduces eye strain in the dark, and Glove Mode keeps the screen responsive when wearing 2mm thick gloves.
  • Built for Adventure: Endure any challenge with a 316L stainless steel bezel and buttons. The military-grade body can resist 70℃ heat and -30℃ cold. Water-resistant to 100m, the watch is great for surfing, and can be used for freediving to a depth of 45m.
  • 27 Days of Battery Life: The Amazfit T-Rex 3 can last for 27 days with typical use, 42 hours in GPS Accurate Mode, and up to 114 hours in GPS Long Battery Life Mode. With some settings disabled, GPS usage can even last up to 180 hours for long hikes.
  • Free Maps & Advanced GPS: Download free global, contour, and snow maps. Track your adventures accurately with dual-band positioning, backed up by 6 satellite systems for fast connection. Import route files and get turn directions as you go.
  • Contactless NFC Payment: Zepp Pay allows you to bind up to eight bank cards at a time to your Amazfit T-Rex 3, for password-protected contactless payment directly from your wrist.
Casio ECB-2000DC-1AEF Mens Wristwatch Bluetooth technology

Casio

Casio ECB-2000DC-1AEF Mens Wristwatch Bluetooth technology

  • No. 3 in the comparison · Score 9.5/10 (Excellent)
  • Now £206.00 was £213.54
  • LEADTIME – Usually dispatched within 3 to 4 days

Case

Technical details

Colour
Grey
Manufacturer
Casio
Quantity
1
Weight
0.13 kg
Dimensions
9.9 × 9.9 × 5.1 cm

Product features

  • Case
  • - Case Material: Stainless Steel
  • - Case Shape: Round
  • - Case Colour: Black
  • - Crystal: Mineral crystal
CASIO - Men's Watch LCW-M100DSE-1AER

Casio

CASIO - Men's Watch LCW-M100DSE-1AER

  • No. 4 in the comparison · Score 9.2/10 (Very good)
  • Now £140.80 was £165.89
  • Nur noch wenige auf Lager – Only 1 left in stock.

A light-emitting diode (LED) is used to illuminate the watch face

Technical details

Colour
Black
Manufacturer
CASIO
Quantity
1
Weight
0.11 kg
Dimensions
4.1 × 1.0 × 4.3 cm

Product features

  • A light-emitting diode (LED) is used to illuminate the watch face
  • A solar cell provides power for operation
  • Displays the current time in major cities and specific areas around the world
  • An indicator shows the current battery level
Casio Gents G-Shock Bluetooth Watch GA-B010-1A1ER

Casio

Casio Gents G-Shock Bluetooth Watch GA-B010-1A1ER

  • No. 5 in the comparison · Score 9.2/10 (Very good)
  • Now £137.00
  • LEADTIME – Usually dispatched within 3 to 4 days

SMART FEATURES: Bluetooth connectivity for automatic time adjustment, step tracking, world time functionality, and dual LED illumination for enhanced visibility.

Technical details

Colour
Black
Manufacturer
Casio
Quantity
1
Weight
0.06 kg

Product features

  • SMART FEATURES: Bluetooth connectivity for automatic time adjustment, step tracking, world time functionality, and dual LED illumination for enhanced visibility.
  • DURABILITY: Shock-resistant construction with 200-metre water resistance, perfect for both daily wear and outdoor activities.
  • DISPLAY: Bold analogue-digital display with grey dial and metallic sunray ring, featuring luminous hands and indices for clear readability.
  • CONSTRUCTION: Lightweight bio-based resin case measuring 49mm in diameter and 15mm in thickness, with a comfortable black resin strap.
  • TECHNICAL SPECS: Solar-powered movement with stopwatch function, day-date display, and adjustable strap length of 160-210mm.
Casio GBX-100NS-1ER Sports Watch, Black, Sporty

Casio

Casio GBX-100NS-1ER Sports Watch, Black, Sporty

  • No. 6 in the comparison · Score 9/10 (Very good)
  • Now £130.53 was £154.99
  • Auf Lager – In stock

Material Composition: Resin construction with digital display, weighing 180 grams, IP67 international protection rating, silver oxide battery powered

Technical details

Colour
Black
Manufacturer
Casio
Size
46 mm
Quantity
1
Weight
0.01 kg
Dimensions
9.9 × 9.9 × 5.1 cm

Product features

  • Material Composition: Resin construction with digital display, weighing 180 grams, IP67 international protection rating, silver oxide battery powered
  • Design Features: 46mm digital display with glow-in-the-dark illumination function, black colour scheme, quartz movement mechanism for accurate timekeeping
  • Functionality: Bluetooth connectivity technology compatible with smartphone devices, G-SHOCK MOVE application support, Wear OS operating system integration
  • Specifications: 200-metre water resistance suitable for swimming, alarm function, sports watch design specifically for male audience from G-Shock collection
  • Care Instructions: Water to 200 metres, suitable for aquatic activities, battery replacement required for continued operation, wipe with dry cloth
Casio G-Shock Mens Digital Watch with LED Dial and White Strap GBD-200-7ER

Casio

Casio G-Shock Mens Digital Watch with LED Dial and White Strap GBD-200-7ER

  • No. 7 in the comparison · Score 8.9/10 (Good)
  • Now £110.00
  • Nur noch wenige auf Lager – Only 3 left in stock (more on the way).

G-SHOCK TOUGHNESS: Built with signature G-SHOCK shock resistance and 20-bar water resistance — engineered to withstand impacts, vibration, and heavy rain or swimming

Technical details

Colour
White
Manufacturer
Casio
Size
100 meters
Quantity
1
Weight
0.06 kg

Product features

  • G-SHOCK TOUGHNESS: Built with signature G-SHOCK shock resistance and 20-bar water resistance — engineered to withstand impacts, vibration, and heavy rain or swimming
  • BLUETOOTH SMARTPHONE LINK: Connects to the Casio Watches app via Bluetooth for smartphone GPS distance tracking, automatic time adjustment, and training data review
  • HIGH-VISIBILITY MIP DISPLAY: Memory-in-Pixel screen delivers sharp, clear readability even in direct sunlight for checking pace and stats mid-workout
  • STEP TRACKER AND TRAINING TOOLS: Built-in step counter with interval timer, countdown, and auto-lap functions for structured running and daily activity monitoring
  • COMFORTABLE SPORT FIT: Lightweight 59-gram resin case with a soft urethane white band and 2-year battery life — designed for active lifestyles from gym to street
Casio Men's Multi Dial Quartz Watch Collection

Casio

Casio Men's Multi Dial Quartz Watch Collection

  • No. 8 in the comparison · Score 8.9/10 (Good)
  • Now £84.90 was £99.90
  • Auf Lager – In stock

To the moon and back — track the lunar phases with striking analog timepieces featuring multiple inset dials. These timepieces bring together stylish fashion and classic lunar design. This Multi Dial watch has a Calendar function: Day-Date and Moonphase

Technical details

Colour
Silver
Manufacturer
Casio
Quantity
1
Weight
0.08 kg

Product features

  • To the moon and back — track the lunar phases with striking analog timepieces featuring multiple inset dials. These timepieces bring together stylish fashion and classic lunar design. This Multi Dial watch has a Calendar function: Day-Date and Moonphase
  • High quality 21 cm length and 20 mm width Silver Stainless steel strap with a Folding Clasp
  • Case measurement: 34 X 37 mm, case thickness: 9 mm, case colour: Silver and dial colour: Black
  • Water resistant: 5 bars -Weight: 84 g
  • The watch is delivered in an original gift box and has a warranty of 2 years
Casio G-Shock G-SQUAD GD-B500-1ER Mens Wristwatch | Resin case, resin strap, mineral glass, water resistant to 20 bar, day and date

G-Shock

Casio G-Shock G-SQUAD GD-B500-1ER Mens Wristwatch | Resin case, resin strap, mineral glass, water resistant to 20 bar, day and date

  • No. 9 in the comparison · Score 8.8/10 (Good)
  • Now £82.00
  • Auf Lager – In stock

Case

Technical details

Colour
Black
Manufacturer
Casio G-Shock
Quantity
1
Weight
0.05 kg
Dimensions
9.9 × 9.9 × 5.1 cm

Product features

  • Case
  • - Case Material: Resine
  • - Case Colour: Black
  • - Crystal: Mineral crystal
  • - Back: Stainless steel back
Casio Collection Mens Digital Watch with Blue Dial and Silver Strap ABL-100WE-2AEF

Casio

Casio Collection Mens Digital Watch with Blue Dial and Silver Strap ABL-100WE-2AEF

  • No. 10 in the comparison · Score 8.6/10 (Good)
  • Now £53.75 was £60.95
  • AVAILABLE_DATE

Silver

Technical details

Colour
Silver
Manufacturer
Casio
Size
Standard Men.
Quantity
1
Weight
0.06 kg

Product features

  • Silver
  • 21mm
  • 38mm
  • Blue

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Footnotes

* Terms such as "best" and similar expressions reflect our personal assessment.

** Prices and availability may have changed since they were last retrieved. The price shown by the seller at the time of purchase applies.

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