Ref: SP0040Q Case Diameter: 25x29mm Lug to lug: 29mm Thickness: 10mm Lug width: 20mm Weight: Update Case Material: Stainless steel 316L Strap Material: Leather Glass: Sapphire Crystal Luminous: Yes Movement: Quartz VH31 Crown: Screwed Water Resistance: 50m (5ATM)