Sauna Ikitai STORE limited edition "Sa-Clock" Sauna Ikitai model. Brand new, unopened. The official store is sold out. The Sa-Clock is a wristwatch born for sauna use. 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 temperatures up to 100°C, with a waterproof case and a condensation-resistant structure made of resin, ensuring safe use in sauna environments. The simple operation and intuitive button layout allow you to focus on your sauna time without unnecessary stress. ・Functions: Time display (hours, minutes), 12-minute timer (minutes, seconds), reset function ・Water resistance: 5 ATM ・Body size/weight: Approximately 40.2 x 35.4 x 12.9mm (height x width x thickness) / Approximately 24.5g ・Exterior specifications: Resin case (low-moisture-permeability resin), resin back cover (low-moisture-permeability resin), mineral glass ・Stretch curl band: Urethane resin ・Battery used/Battery life: Heat-resistant battery / Approximately 5 years ・Usable environment: Saunas up to a set temperature of 100°C (use within 15 minutes while worn on the wrist)