663

Brand: Sea-Gull (海鷗). Reference: 618.663. Mechanical, manual winding.

MOVEMENT
Mechanical, manual-winding. Tourbillon. China Made. Caliber: Sea-Gull ST8030. Functions: Hour, minute. Jewels: 23. Frequency: 28800 vph. Power reserve: Around 72 hours.

CASE
18K rose gold. Diameter: 40 mm. Thickness: 9 mm. Water resistance: 50 meters. Luminescence: No lume. Dial: Silver color. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Crown: Push-pull. Pumpkin shape. Crown not signed.

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