THREE-IN-ONE

三合一

Brand: Sea-Gull (海鷗). Reference: ST9250G. Mechanical, manual winding. Launch date: 2010-Month?-Date? Limited 50 pieces.

Three-in-One here means that the three complications: tourbillon, perpetual calendar and minute repeater are combined in one watch.

MOVEMENT
Mechanical, manual-winding. Tourbillon, minute repeater, perpetual calendar. China Made. Caliber: Sea-Gull ST9250. 435 parts. Functions: Hour, minute, date, day, month, moon phase, minute repeater (Central hour and minute hands, date subdial at 3 o'clock, day-of-the-week subdial at 9 o'clock, month subdial at 12 o'clock, moon phase aperture at 6 o'clock. Push the button upward on the side of the case at 8 o'clock to activate the minute repeater.). Jewels: 30. Frequency: 18000 vph. Power reserve: Around 65 hours.

CASE
18K rose gold. Diameter: 46 mm. Thickness: 16.8 mm. Water resistance: 30 meters. Luminescence: No lume. Dial: White. Crystal: Sapphire crystal. Case back: Fixed with screws. Transparent. Crown: Push-pull. Pumpkin shape. Signed with the "S" logo.

STRAP
Brown. Alligator leather. No quick release: Need tool to remove strap from case. Clasp: Pin buckle. 18K rose gold clasp.