Sawatch: SHOWDOWN 1

Selling because I'm using it less frequently.
Below is an excerpt from the official website.

Please understand that this is a used item before purchasing.
Operation has been confirmed to be without issues.

▼ Specifications etc.

Main unit size: 4.3cm (H) x 2.5cm (W) x 1.2cm (D)
Band width: Approx. 1.8cm
Compatible wrist circumference: 15cm - 21cm
Weight: Approx. 26g
Materials: Case | ABS + Polycarbonate, Band | Silicone, Display | Tempered Glass
Charging method: Dedicated magnetic cradle (USB-A)
Estimated charging time: Approx. 2 hours
Estimated operating time: Approx. 5-7 days *Depends on operating conditions
Sleep tracking available hours: 20:00 - 10:00 the next day
Waterproof standard: IP68・5ATM
Battery: High-temperature resistant battery installed
Technical Standards Compliance: 220-JP8190

▼ Included items
・Sauna watch main unit
・Dedicated band (attached)
・Dedicated charging cradle

▼ Operation guarantee and warranty period

- The operating guarantee temperature is 80°C, the same as the previous model. It cannot be used in sauna environments exceeding 80°C (equivalent to 95°C in typical sauna temperature displays, but varies depending on thermometer placement and seating position) as it may lead to malfunction or accidents.
- In addition to IP68 compliance, the same as the previous model, the waterproof performance complies with 5ATM (pressure waterproof).

Warranty period: 6 months from the first connection of the watch to the Sa no Kuni app.
*Warranty is unknown if purchased on Mercari.
* We cannot guarantee that the unit will always operate without hindrance or that errors will not occur. We are not responsible for damages caused by failure to follow instructions regarding the use of this unit. Damage due to normal wear and tear, force majeure, abuse, or user's intentional act or negligence is not covered by the warranty.
* If the product is replaced due to malfunction, the warranty start date will not be reset.