D816.450

Brand: Sea-Gull (海鷗). Reference: D816.450. [Version: silver color case and crown, black dial, 40 mm bigger diameter. View other versions →]. Official retail price: CN ￥3,980

MOVEMENT
Mechanical, self-winding. China Made. Caliber: Sea-Gull ST2130. Functions: Hour, minute, second, date. Quick date setting. Instant date change. Stop-seconds (hacking) to set time precisely. Jewels: 28. Frequency: 28800 vph. Power reserve: Around 42 hours.

CASE
316L stainless steel. Diameter: 40 mm. Thickness: 10.5 mm. Lug width: 20 mm. Water resistance: 3 ATM. Luminescence: No lume. Dial: Black. Matte finish. Applied hour markers. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Hands: Willow leaf hour and minute hands. Crown: Push-pull. Fluted cylinder shape.

BRACELET
Stainless steel links. Clasp: Butterfly clasp. Stainless steel clasp.