Casio Watch Casio Collection Sa Watch SAN-100H-1BJR CASIO Color: Black Condition: Brand new, unopened Model number: SAN-100H-1BJR This is a waterproof Casio sauna watch, perfect for saunas, hot springs, bedrock baths, and public baths. It has a unisex design that is easy to use, and a simple dial for excellent visibility! It has a timer function, making it very convenient for managing sauna and bathing times. The SAN-100H has specifications of approximately 40.2 x 35.4 x 12.9 mm and weighs approximately 25 g. Waterproof specifications, reset & mode function Introducing the "Sa Watch," a wristwatch specially made by CASIO for sauna enthusiasts. [5-atmosphere water resistance] Equipped with 5-atmosphere water resistance. [Usable environment] Sauna up to a set temperature of 100°C (use within 15 minutes while wearing on the wrist) 12-minute timer