- Crystal photo voltaic
- 10-month energy reserve as soon as totally charged.
- Japanese-quartz Motion
- Case Diameter: 44.5mm
- Water-proof to 30m (100ft): on the whole, withstands splashes or temporary immersion in water, however not appropriate for swimming or bathing
Seiko Men’s Crystal Solar Japanese-Quartz Watch with Two-Tone-Stainless-Steel Strap, 21 (Model: SNE458)