Kospet Smartwatch Tank M4C Schwarz

without a SIM card
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Product details

The Kospet Smartwatch Tank M4C in black is a versatile and robust smartwatch designed for active users. With an impressive water resistance of up to 50 meters (IP69K), it is perfect for water sports and outdoor activities. The integrated LED flashlight with four brightness levels provides additional functionality in dark environments. The smartwatch offers comprehensive health monitoring, including heart rate measurement, sleep analysis, and stress level monitoring, allowing users to effectively track their fitness goals. Thanks to the dual-band GPS with route tracking function, activities can be recorded precisely. With a battery life of up to 15 days, the Tank M4C is ideal for long-term use without frequent recharging.

  • 50 meters water resistant (IP69K) for extreme conditions
  • LED flashlight with four brightness levels
  • Dual-band GPS with route tracking function
  • Comprehensive 24/7 health monitoring
  • Up to 15 days battery life for prolonged use.

Key specifications

Operating system compatibility
Android, iOS
Health functions
Heart rate measurement, Stress levels
Wristband material
Stainless steel
Case material
Stainless steel

General information

Item number
68305769
Manufacturer
Kospet
Category
Smartwatches
Manufacturer No.
M4C Black
Release date
12.3.2026
Sales rank in Category Smartwatches
1009 of 3302

Colour

Exact colour description
Black

Watch properties

Watch type
Smartwatch
Durability
Waterproof
Protection type (IP code)
IP69K, Waterproof
Operating system compatibility
Android, iOS

Functions

Health functions
Heart rate measurement, Stress levels
Localisation technology
GPS

Wristband properties

Wristband colour
Black
Wristband material
Stainless steel

Case properties

Case colour
Black
Case material
Stainless steel
Glass
Gorilla Glass
Case thickness
13.35 mm

Connectivity

Connectivity
Bluetooth, GPS
Mobile communications standard
without a SIM card

Power supply

Battery life (without GPS)
15 Days

Battery properties

Battery life
15 Days

Voluntary climate contribution

CO₂ emissions
2.76 kg
Climate contribution
CHF 0.11

30-day right of return
24 Months Warranty (Bring-in)
9 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.Samsung
    1.1 %
  • 4.OnePlus
    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.Garett
    0 days

Return rate

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

Source: Digitec Galaxus
  • 25.Withings
    6.9 %
  • 26.Amazfit
    7 %
  • 27.Kospet
    7.1 %
  • 28.OnePlus
    7.9 %
  • 29.Xplora
    8 %
Source: Digitec Galaxus