Specification Details Movement Sellita SW200-1 Elaboré Type Swiss automatic Jewels 26 Frequency 28,800 bph (4 Hz) Power reserve 38 hours Shock protection Incabloc Diameter 40 mm Thickness 12.5 mm Lug-to-lug 48 mm Lug width 20 mm Case material 316L stainless steel Crystal Flat sapphire with rounded edges AR coating Yes Bezel 120-click unidirectional Bezel insert Ceramic or stainless steel, depending on version Water resistance 200 m / 20 ATM Crown Screw-down Caseback Screw-down Lume Super-LumiNova BGW9 Bracelet Oyster-style stainless steel Bracelet taper 20 18 mm Clasp Folding clasp with 5 micro-adjustment positions