Case Size: 31mm by 40mm Case Thickness: 8.3mm Material: 316L Stainless Steel Top Crystal: Sapphire with AR Coating Water Resistance: 50 Meters Dial: Chevron Motif 'Heraldry Dial' Lume: BGW9 Swiss Super-LumiNova on hands only Movement: Mechanical Swiss Made Sellita SW210-1 b Hand Wound