Sleep Wearable Form Factor
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KOSPET Tank T4 Black Rugged Smartwatch
Available offers (2)
Current
Black
Rulez BY
BYN 552.71
Available to order
Price history by offer
Volatility: MediumFeatures
- 10 ATM waterproof and MIL-STD-810H certified
- 15-day battery life
- Always-on 1.43-inch AMOLED (1000 nits)
- Built-in GPS with altimeter and compass
- Heart rate, SpO2, skin temperature sensors
- Bluetooth 5.3 calls and music player
- 32 GB storage and magnetic charging
- VO2 Max and training load analysis
- Stainless steel case with replaceable strap
- Sleep, stress, and women's health tracking
General specs
- Brand: KOSPET
- Model: Tank T4
- Seller: Rulez BY
- ID: 1377045
- Brand: Kospet
- Model: Tank T4
- Product Type: Smart Watch
- First listed by seller: June 17, 2026
If you are interested in more details, you can find full information on the seller's page.
BYN 552.71
Last price update: 11/14/26
Available to order
Price History for seller Rulez BY
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Shipping options
Delivery to 
Belarus
Belarus
Available
If your days swing from boardroom meetings to backcountry trails, the Kospet Tank T4 keeps pace. This smartwatch marries extreme durability with comprehensive health and outdoor tools. It’s built to military standards (MIL-STD-810H) and boasts IP69K and 10 ATM water resistance, so you submerse it, freeze it, or knock it around without a second thought. Its stainless steel body and scratch resistant AMOLED screen survive conditions that sideline lesser wearables.
Beyond the toughness, the Tank T4 serves as a powerful fitness partner. The always on display hits 1000 nits, staying readable under direct sun. A built in GPS and barometric altimeter track your route and elevation precisely. You monitor heart rate, blood oxygen, stress, and sleep quality around the clock. For swimmers and divers, the depth gauge and water temperature readings add a layer of insight most watches skip. Store up to 500 songs on the generous 32 GB memory, connect to Bluetooth 5.3 headphones, and you leave your phone at home during workouts. The battery endures up to 15 days, so you focus on your activity, not the charger.
Stay in touch with call answering and app notifications right on your wrist. Whether you’re leading a project or exploring a new ridgeline, the Tank T4 delivers the data and durability you need to push forward.
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| Brand | KOSPET | KOSPET | KOSPET | KOSPET | KOSPET | KOSPET |
| Model | Tank T4 | M4 | Tank M4 | Tank T4C | Tank T3 Ultra 2 | Tank M4C |
| Color |
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| Price | BYN 552.71 | BYN 701.27 | BYN 574.64 | BYN 504.83 | BYN 330.94 | BYN 504.83 |
| Seller | Rulez BY | Rulez BY | Rulez BY | Rulez BY | Rulez BY | Rulez BY |
| Update | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 | Nov 14, 2026 |
| Product Code | 3655800 | 3655784 | 3656086 | |||
KOSPET Tank T4 Black 10 ATM waterproof and MIL-STD-810H certified
BYN 552.71
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