Diameter : 38mm Lug to Lug Length: 44mm Thickness: 12mm Case: 316L SS Lug Width : 20mm Movement: Seiko Nh38 with no date Water Resistance: 200m Crystal: Flat Sapphire crystal with inner AR coating Lume: Superluminova C3 or BGW9 depending on model Bracelet: 316L SS with updated Quick adjust clasp and female end links