CASIO Sauna-Specific Watch – “Sauna Ikitai” Black Edition

Functions: Time display (hours & minutes), 12-minute timer (minutes & seconds), reset function

Water Resistance: 5 ATM (50 meters)

Case Size / Weight: Approx. 40.2 × 35.4 × 12.9 mm (H × W × D) / Approx. 24.5 g

Exterior Specifications: Resin case (low moisture permeability resin), resin back cover (low moisture permeability resin), inorganic glass

Expandable Curl Band: Made of urethane resin

Battery / Battery Life: Heat-resistant battery / Approx. 5 years

Usable Environment: Usable in saunas up to 100°C (when worn on the wrist, up to 15 minutes)