CASIO Sauna Watch SAN-100H-1BJR This sauna watch is a wristwatch born for the sauna. It features a 12-minute timer function that can be switched between "Sauna Mode ⇄ Normal Time Mode" with a single button, allowing you to intuitively manage your time in the sauna. It's designed to withstand sauna environments with heat resistance up to 100°C, a waterproof case, and a condensation-resistant structure using resin to prevent fogging. With simple operation and an intuitive button layout, you can focus on your sauna time without unnecessary stress. Model Number: SAN-100H-1BJR Unisex, for both men and women Waterproof specifications, reset & mode function Brand new, unused ◆ Please refrain from purchasing if you are concerned about minor scratches. ◆ Cancellations after purchase are not accepted. ◆ Returns, exchanges, and refunds are not accepted to prevent product substitution. ◆ Please refrain from purchasing if you are looking for perfection in the outer box, plastic bags, etc. ◆ Please note that we are not responsible for any dents or damage to the outer box caused by shipping.