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Kospet Tank M4

50.50 mm, without a SIM card
3Ratings
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Product details

The Kospet Smartwatch Tank M4 in silver is a state-of-the-art smartwatch designed for both everyday use and sports activities. With a robust design that meets military standards, it offers an impressive water resistance of up to 45 meters (10 ATM), making it ideal for anyone leading an active lifestyle. The smartwatch features a user-friendly touchscreen display and supports both Android and iOS operating systems. It is equipped with a variety of functions, including activity tracking, heart rate monitoring, and sleep tracking, allowing users to effectively track their fitness goals. Additionally, the Tank M4 offers offline navigation with dual-band GPS and a range of training modes tailored to the needs of athletes. The smartwatch is not only functional but also stylish, making it an ideal companion for any occasion.

  • Military-tested durability and longevity
  • IP69K protection class for extreme weather conditions
  • 160 training modes for comprehensive fitness tracking
  • 24-hour heart rate, stress, and sleep tracking
  • Offline navigation with dual-band GPS.

Key specifications

Smartwatch functions
Alarm clock, Altimeters, Barometric altimeter, Date display, Emergency call function, Find my phone, Music functionalities, Music storage, Timer + stopwatch, Weather
Health functions
Calories, Cycle protocol, Heart rate measurement, Oxygen saturation, Pedometer, Respiratory rate, Sleep recording, Stress levels, Temperature detection
Activities
Cycling, Diving, Fitness, Hiking, Mountaineering, Rowing, Running, Sailing, Skiing, Surfing, Swimming, Tennis, Yoga
Wristband material
Silicone
Case material
Stainless steel
Case diameter
50.50 mm
Battery life
15 Days

General information

Item number
64653117
Manufacturer
Kospet
Category
Smartwatches
Manufacturer No.
6978602500072
Release date
28.10.2025

Colour

Exact colour description
Silver

Watch properties

Watch type
Smartwatch
Durability
Waterproof (10 ATM)
Protection type (IP code)
IP69K
Language
Arabic, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Khmer, Korean, Malay, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
Operating system
Proprietary
Operating system compatibility
Android, iOS
Integrated components
Microphone, Speakers

Functions

Smartwatch functions
Alarm clock, Altimeters, Barometric altimeter, Date display, Emergency call function, Find my phone, Music functionalities, Music storage, Timer + stopwatch, Weather
Health functions
Calories, Cycle protocol, Heart rate measurement, Oxygen saturation, Pedometer, Respiratory rate, Sleep recording, Stress levels, Temperature detection
Activities
Cycling, Diving, Fitness, Hiking, Mountaineering, Rowing, Running, Sailing, Skiing, Surfing, Swimming, Tennis, Yoga
Sensors
Ambient light sensor, Barometer Sensor, Compass, Gyro sensor, Pulse Oximeter, Temperature sensor
Localisation technology
Compass, Galileo, GLONASS, GPS, QZSS

Display properties

Time display
Digital
Display
OLED
Display technology
AMOLED
Display size (inches)
1.96"
Image resolution
410 x 502 pixels

Wristband properties

Wristband colour
Black
Wristband material
Silicone
Wristband size
One size
Strap width
22 mm
Strap description
Sports bracelet
Strap fastener
Buckle

Case properties

Case colour
Silver
Case material
Stainless steel
Glass
Gorilla Glass 3
Shape of watch
Square
Case diameter
50.50 mm
Case thickness
13 mm

Connectivity

Connectivity
Bluetooth
Bluetooth version
5.3
Mobile communications standard
without a SIM card

Data storage properties

Storage capacity
32 GB
Working memory
16 MB

Power supply

Power supply
Rechargeable battery operated
Battery life (without GPS)
15 Days
Runtime (in GPS mode)
0.91 Days

Battery properties

Capacity
500 mAh
Battery life
15 Days
Charging time
2 h

Voluntary climate contribution

CO₂ emissions
4.97 kg
Climate contribution
CHF 0.12

Scope of delivery

Scope of delivery
Display protection sheet, Magnetic charging cable, Manual, Wristband

Product dimensions

Weight
80 g

Package dimensions

Length
12.40 cm
Width
11 cm
Height
7.40 cm
Weight
334 g

30-day right of return
24 Months Warranty (Bring-in)
7 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Smartwatches» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Kospet
    Not enough data
  • 1.Whoop
    0.6 %
  • 2.Apple
    0.7 %
  • 3.Google
    1.2 %
  • 3.Huawei
    1.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Kospet
    Not enough data
  • 1.Accutime
    0 days
  • 1.Denver
    0 days
  • 1.Forever
    0 days
  • 1.Hama
    0 days

Return rate

How often is a product of this brand in the «Smartwatches» category returned?

Source: Digitec Galaxus
  • 27.Amazfit
    6.6 %
  • 28.OnePlus
    7.2 %
  • 29.Kospet
    7.3 %
  • 30.Xplora
    7.4 %
  • 31.Motorola
    8 %
Source: Digitec Galaxus