Vostok-Europe Men's Automatic Stainless Steel and Leather Casual Watch, Color:Blue (Model: 2426/5601057) Proprietary Vostok Russian movement, dual timekeeping Custom crown-controlled rotating interior bezel, anti-reflective crystal Superluminova at hour markings and on hands Case diameter: 43.00 mm Water resistant to 165 feet (50 M): suitable for swimming and showering