6061
6061Brand: Sea-Gull (海鷗). Reference: 819.22.6061. [Version: black dial. View other versions →]. Launch date: 2018-Month?-Date? Official retail price: CN ¥2,200MOVEMENTMechanical, self-winding. China Made. Caliber: Sea-Gull ST2500. Functions: Hour, minute, second (Central hour, minute and seconds hands). Jewels: 25. Frequency: 21600 vph. Power reserve: Around 45 hours.CASE316L stainless steel. Diameter: 40 mm. Thickness: 12 mm. Lug width: 20 mm. Water resistance: 50 meters. Weight: 67 grams (the whole watch including strap). Luminescence: No lume. Dial: Black. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Crown: Push-pull. Fluted cylinder shape. Signed with the "S" logo.STRAP Black. Leather. No quick release: Need tool to remove strap from case. Fit for case lug width: 20 mm. Clasp: Pin buckle. Stainless steel clasp.