Caliber No. 0950 Movement Automatic Strap Stainless Steel Water Resistant Water Resistant to 100m Thickness 11.7mm Case Size 40mm Case Stainless Steel Glass Sapphire Glass (Anti-reflection coating) Specification 24 jewels Automatic Date Display Frequency : 28,800 vph Made In Japan Running time of approx. 50 hours (when fully wound)