KOSPET TANK S1 Smartwatch

$109.99 $73.99

15 U.S. MIL-STD-810H Certifications

Aerospace 6XXX Series Aluminum Alloy & 316L Stainless Steel

Always-on AMOLED Display by Corning® Gorilla® Glass 3

NOTICE: The standard packing comes with silicone rubber strap that differs from magnetic strap shown in most description pictures below.

Color: Black


Extra Magnetic Strap: No


15 U.S. MIL-STD-810H Certifications

Aerospace 6XXX Series Aluminum Alloy & 316L Stainless Steel

Always-on AMOLED Display by Corning® Gorilla® Glass 3

NOTICE: The standard packing comes with silicone rubber strap that differs from magnetic strap shown in most description pictures below.

View more
Shipping cost & time
Shipping Method Country Time Cost
Local warehouse shipping US 3-7 business days

Free Shipping on all orders over $59; 

Orders under $59 - cost $3.99-$7.99

UK 1-4 business days
DE 1-3 business days
EU 1-9 business days
Registered Airmail



6-15 business days
RUS 13-28 business days
Other 100+ countries 10-30 business days
DHL Express 130+ countries 3-7 business days $41.99



Battery:300mAh Lithium Polymer Battery

Water Rating:5 ATM & IP69K

Body Materials:Metal+ABS+PC

Strap Material:Silicone Rubber

Pay with ease

visamasteramerican expressdiscoverdiners clubshopify payapple paygoogle paymeta paybancontactideal
Prettier, Smarter, Stronger
Tried and Tested Quality.
Tested to the highest military standard of toughness (MIL-STD-810H), KOSPET TANK S1 is as robust as it is dynamic, enduring the rigors of some of the most demanding environments, ranging from majestic mountains to expansive deserts.
Make Durability Appear Elegant.
As the first-ever outdoor smartwatch designed specifically for women, KOSPET TANK S1 is made from 6xxx series aerospace-grade alloy and 316L stainless steel, making the smartwatch slimmer and more resilient. With 45mm and 48g in diameter and weight respectively, KOSPET TANK S1 is exceedingly easy and light to wear on so many levels.
Tougher than Tougher.
KOSPET TANK S1 harnesses the Corning® Gorilla® Glass 3 that is more durable even prior to chemical strengthening and has proven more resistant to damage, and 4× more scratch resistant than aluminosilicate glasses from other manufacturers.
Explore New Wonder Underwater.
KOSPET TANK S1 makes a reliable companion for your underwater adventures, as the smartwatch comes with 5 ATM and IP69K ratings for water resistance, which enables it to withstand pressures equivalent to a depth of 50 meters. Note: DO NOT wear the smartwatch in a sauna to protect its sealing effectiveness from water vapor.
Mind-blowing Details at a Single Glance.
With its 1.3-inch always-on AMOLED display framed to perfection by a circular bezel, KOSPET TANK S1 delivers a more colourful and clearer viewing experience by displaying everything with rich contrast and sharp details.
An Active Leap Ahead.
KOSPET TANK S1 assists you to enjoy every workout to your heart’s content, thanks to its presets for 70 sports modes, which includes trendy workouts in particular, such as yoga, HIIT, kickboxing, and cardio exercises.
At Your Beck and Call.
Bluetooth calling of KOSPET TANK S1 can be enabled simply with a switch, so that you won’t miss any important phone calls, text messages or notifications, even when you are occupied with work or in the middle of a workout session.
Stay in Tune with Her Health.
KOSPET TANK S1 helps understand her overall health and well-being through pregnancy or menstrual cycle tracking, with relevant data shown in detail in the App KOSPET FIT.
Have a Sweeter Dream.
KOSPET TANK S1 tracks your nightly sleep through major stages of sleep, including light sleep, deep sleep, and rapid eye movement (or REM), so as to present comprehensive insights into your sleep quality.
Wear Your Heart on the Wrist.
Powered by the advanced VP60 sensor, KOSPET TANK S1 monitors your heart rate and blood oxygen on a 24/7 basis, with real-time alerts whenever your heart rate strays from its normal range, not to mention other trustworthy statistics and advice for a more wholesome living.
Next-level Battery Life.
KOSPET TANK S1, which can be fully charged within 2 hours, allows you to wear it for days on end before another charging boost, or 2 to 3 days in AOD mode, 8 to 12 days for daily use, or as long as 50 days in standby mode.
Boundless Style That’s Uniquely You.
To complement its compact and delicate display, brand-new UI design, and a multitude of unique watch faces, KOSPET TANK S1 showcases styles that speak to your charisma from the wrist, whether during a workout or commute to work. KOSPET TANK S1 is available in four captivating colours – sprout green, moonlight white, sakura pink and space black.


Customer Reviews

Based on 25 reviews
Brian B.
Kospet Tank S1 Smartwatch

This is my third purchase from Kospet and I have yet to be disappointed. This one was a Christmas gift for my wife to replace an Apple Watch. Set up was easy as usual with Kospet watches all functions worked great and the wife is extremely pleased with her new Tank S1 Smartwatch!

Victor A.
Cool tech!

I love it. I juat wish it had many simple and minimalist pointer and number watch faces to chose from. Regardless, I am happy with my purchase.

Thank you for your honest feedback. We are also continuing to add watch face skins. Please believe that the current wait is worth it.

Per tutte le occasioni....

Uno smartwatch tira l'altro....
I miei tre tesori kospet,
Magic 3s
Tank s1
Optimus 2
Assistenza veloce,
E cortese!!!

Grazie per il tuo feedback onesto.

È nostro onore essere il marchio che supporti e realizzeremo prodotti migliori e più convenienti.

Korina V.

I received the green watch after 3 weeks, the customer service is correct,they answered my question. I'm still in the testing period,but like the watch so much. It's sporty ,still elegant. Thanx for it!

Thanks for your feedback.
You are really cool, I love your tattoos, hope fate will favor every kind person.

Laurent J.

Je le recommanderai à mes amis.

Merci pour votre soutien et je vous souhaite, à vous et à vos amis, une vie heureuse.


Alt image




300mAh Lithium Polymer Battery



5 ATM & IP69K






Silicone Rubber



70 Sports Modes with Smart 

Recognition of 6



Standby: 50 days; Daily Use: 8-12 days; Always-On Display: 2-3 days


Android 5.1 & iOS 10.0 and above


1.3 inch,AMOLED,360*360




Bluetooth 5.1



Theoretical Charging Duration

1 - 2 Hours


English (default), French, German, Italian, Spanish, Portuguese, Russian, Arabic, Turkish, Bengali, Indonesian, Japanese, Korean, Simplified Chinese, Traditional Chinese

Packing List


What should I do if the KOSPET TANK S1 data fails to sync?

When the compatible phone’s Bluetooth is on and the App is opened, the data of your watch/band will be automatically synced to the App. If the data fails to be synced, please check according to the following methods:
1)Swipe down the screen to sync data manually.
2)Exit the App and restart the synchronization.
3)Turn on your compatible phone’s Bluetooth again and try to restart yhe phone. 

Why can’t my KOSPET TANK S1 with compatible App?

1)Exit the App, turn off the Bluetooth, and try to reconnect.
2)In the case of more peripheral watches/bands, please put your watch/band closer to your compatible mobile phone or move it to the place where there are fewer Bluetooth devices. 
3)Check the Bluetooth information of the device from the Bluetooth list of the mobile phone system. 
4)If the watch/band has been paired before, it should he unpaired in the previous device prior to pairing a new phone. 

What should I do if firmware update fails?

1)If the compatible App fails to update, please retry and update again.
2)After your watch/band has been connected to the compatible App (such as KOSPET FIT), swipe down the synchronization data in Device > Firmware Update, which will trigger the firmware update of the watch/band again.
3)Restart your phone’s Bluetooth, and update again after entering the App. 

How to adjust Sound and Vibration?

Method I: Swipe down the home screen, enter Settings > Sound & Vibration to enable the function.
Method II: Swipe right the home screen, enter Settings > Sound & Vibration to enable the function.
In Sound & Vibration, you can also adjust the vibration strength and turn on the Silent Mode if necessary.

Why can’t I receive incoming call alerts?

Make sure your phone’s notification bar functions.
Make sure your phone’s Bluetooth is turned on.
Check if Do Not Disturb is enabled on your watch/band. If so, please disable it.