- Case size (L× W× H): 38.9 × 35 × 9.4 mm
- Weight: 49 g
- Case and bezel material: Resin
- Band: Adjustable Clasp, Stainless Steel Band
- Water resistance: 50-meter water resistance
- Power supply and battery life: Approx. battery life: 3 years on CR2016
Style: B640WC-5A