937

Brand: Sea-Gull (海鷗). Reference: 818.937. Mechanical, manual winding.

MOVEMENT
Mechanical, manual-winding. Tourbillon. China Made. Caliber: Sea-Gull ST8007. Functions: Hour, minute, 24 hour, day/night, date, power reserve indicator (Central hour and minute hands, the 24 hour subdial at 9 o'clock also shows day/night, date subdial at 3 o'clock, power reserve indicator at 12 o'clock.). Jewels: 25. Frequency: 21600 vph. Power reserve: Around 40 hours.

CASE
316L stainless steel. Diameter: 41 mm. Thickness: 10 mm. Lug width: 21 mm. Water resistance: 50 meters. Luminescence: No lume. Dial: White. Applied hour markers. Crystal: Sapphire crystal. Case back: Fixed with screws. Transparent. Crown: Push-pull. Fluted cylinder shape. Signed with the Sea-Gull watch 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.