6131
6131Brand: Sea-Gull (海鷗). Reference: 849.37.6131HK. [Version: Black case; Blue rubber strap. View other versions →]. Official retail price: CN ￥2,800MOVEMENTMechanical, self-winding. China Made. Caliber: Sea-Gull ST2502. Functions: Hour, minute, second. Jewels: 25. Frequency: 21600 vph. Power reserve: Around 45 hours.CASE316L stainless steel. Width exclude crown: 44 mm. Thickness: 11 mm. Lug width: 24 mm. Lug to lug: 46 mm. Water resistance: 50 meters. Luminescence: Green lume on hands and indices. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Crown: Push-pull. Diamond shape. Signed with the "S" logo.STRAP Blue. Fluorine rubber. Quick release: Remove strap from case without tool. Fit for case lug width: 24 mm. Clasp: Pin buckle. Stainless steel clasp.