Sleep Wearable Form Factor
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KOSPET Tank M3 Ultra black IP69K & MIL-STD-810H durability
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Last known price: BYN 291.42 (BYN)
Price source: Rulez BY
Price record dated 11/13/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Features
- IP69K & MIL-STD-810H durability
- Built-in GPS
- Heart rate & SpO2 monitor
- 1.96 inch AMOLED display
- 360-hour battery life
- 2.2 x 1.7 x 0.5 inches
- 0.17 lbs weight
- Bluetooth calling
- iOS & Android compatible
- 15 sports modes
- Magnetic charging
- Gorilla Glass 3 protection
- Sleep & stress tracking
- Compass & altimeter
General specs
- Brand: KOSPET
- Model: Tank M3 Ultra
- Seller: Rulez BY
- ID: 1079951
- SKU: 3437792
- Brand: Kospet
- Model: Tank M3 Ultra
- Product Type: Smartwatch
- First listed by seller: June 17, 2026
Built for the off-grid adventurer, the Kospet Tank M3 Ultra smartwatch delivers rugged reliability when your day takes you beyond paved roads. Whether you're summiting a peak or diving into whitewater, its military-grade toughness (MIL-STD-810H) and IP69K waterproof rating keep it ticking through dust, shocks, and submersion. The vivid 1.96" AMOLED display stays crisp under glaring sun, so your route, vitals, and notifications are never washed out.
Stay connected to your health and safety. On-wrist sensors track heart rate, blood oxygen, and even estimate blood pressure. With built-in GPS, you log your path without your phone. The altimeter, barometer, and compass add situational awareness on the trail. After sunset, you glance at the always-on display without waking the device. Touchscreen and physical buttons operate with wet gloves. After a week on the trail, the battery bar barely moved; 15 days of typical use means you pack less gear and worry less about recharging.
Beyond survival, life balance matters. Sleep monitoring reveals recovery patterns. Stress tracking nudges you to breathe. Swim, run, cycle, ski—over 170 sport modes auto-detect your movement. Take calls on the watch via Bluetooth, control your music, or find your phone. The Kospet Tank M3 Ultra is your uncompromising outdoor partner.
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