CASIO SAN-100H-1BJR Brand New, Unopened Product Name CASIO SAN-100H-1BJR Black / Sauna Watch Series Ikitai Sauna Black Condition Brand new, unopened. Ships immediately! Specifications • Case size: Approximately 40.2mm (H) x 35.4mm (W) x 12.9mm (D). Weight: Approximately 25g. • Materials: Resin case, resin band, mineral glass. • Water resistance: 5 ATM (50 meters). • Features: 12-minute timer (sauna mode) + normal time mode can be switched with a single button. • Usage environment: Designed for sauna environments up to 100°C (within 15 minutes while worn on the wrist). • Accuracy/Battery life: Average monthly rate ±15 seconds, approximately 5 years with a heat-resistant battery. Other • Design suitable for everyday use. • Recommended as a gift.