457L

Brand: Sea-Gull (海鷗). Reference: D816.457L. Mechanical, self-winding.

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

CASE
Stainless steel. Diameter: 32 mm. Thickness: 10 mm. Water resistance: 50 meters. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent.

BRACELET
Stainless steel links. No quick release: Need tool to remove strap from case. Clasp: Fold-over clasp. Stamped center links.