Automatic Diver Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 41 hours 24 jewels Day/Date calendar Screwdown crown and caseback One-way rotating elapsed timing bezel LumiBrite hands and markers Case diameter: 45.0mm Stainless steel case Silicone strap Water Resistance: Diver's Watch 200 meters (660 feet). Follows ISO standards and is suitable for scuba diving. Caliber 4R36
