Vostok-Europe Men's 'Anchar' Japanese Automatic Stainless Steel and Silicone Sport Watch, Color:Black (Model: NH25A/5104142) SII Automatic Movement Tritium Tube Lumination Durable Mineral Crystal Case Size 48mm Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours