316L Surgical-Quality Stainless Steel Case Japanese Seiko VK63 Quartz Movement Full-Function Chronograph Non-Glare Scratch-Resistant Mineral Crystal Logo-Engraved Stainless Steel Caseback Rubber Strap Logo-Engraved Stainless Steel Clasp Super Luminova Hands Super Luminova Markers Date Indicator 24-Hour Sub-Dial Seconds Sub-Dial 42mm Case Diameter 20 ATM Water Resistance (Professional Deep Diving Approved)