6144
6144Brand: Sea-Gull (海鷗). Reference: 818.38.6144. [Version: silver color case. View other versions →]. Official retail price: CN ¥16,800MOVEMENTMechanical, manual-winding. Tourbillon. China Made. Caliber: Sea-Gull ST8230. Functions: Hour, minute. Jewels: 23. Frequency: 21600 vph. Power reserve: Around 42 hours.CASE316L stainless steel. Diameter: 42 mm. Thickness: 11 mm. Lug width: 21 mm. Water resistance: 50 meters. Luminescence: No lume. Dial: Blue goldstone. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Hands: Sword hands. Crown: Push-pull. Fluted cylinder shape. Signed with the "S" logo.STRAP Black. Alligator leather. Round scales. No quick release: Need tool to remove strap from case. Fit for case lug width: 21 mm. Clasp: Butterfly clasp. Stainless steel clasp.