Designer Series · "Since 1955"
DESIGNER
Brand: Sea-Gull (海鷗). Reference: 819.92.1133. [Version: "Since 1955" on green dial; Silver color case. View other versions →]. Launch date: 2023-Month?-Date? Official retail price: CN ¥5,600
Case design in 2015, marking the 60th anniversary of Sea-Gull watch since 1955. Green dial version with "Since 1955" at 12 o'clock added to the collection in 2023.
MOVEMENT
Mechanical, self-winding. China Made. Caliber: Sea-Gull ST18. Functions: Hour, minute, second, date. Quick date setting. Instant date change. Stop-seconds (hacking) to set time precisely. Jewels: 24. Frequency: 28800 vph. Power reserve: Around 40 hours.
CASE
316L stainless steel. Diameter: 40 mm. Thickness: 9 mm. Lug width: 20 mm. Water resistance: 5 ATM. Luminescence: No lume. Dial: Green. Sunburst finish. Applied hour markers. Crystal: Sapphire crystal. Case back: Fixed with screws. Transparent. Sapphire crystal case back. Hands: Sea-Gull watch graphic logo on the seconds hand. Crown: Push-pull. Fluted cylinder shape. Stainless steel crown.
STRAP
Black. Cowhide leather. No quick release: Need tool to remove strap from case. Fit for case lug width: 20 mm. Clasp: Butterfly clasp. Stainless steel clasp.








Description
DESIGNER
Brand: Sea-Gull (海鷗). Reference: 819.92.1133. [Version: "Since 1955" on green dial; Silver color case. View other versions →]. Launch date: 2023-Month?-Date? Official retail price: CN ¥5,600
Case design in 2015, marking the 60th anniversary of Sea-Gull watch since 1955. Green dial version with "Since 1955" at 12 o'clock added to the collection in 2023.
MOVEMENT
Mechanical, self-winding. China Made. Caliber: Sea-Gull ST18. Functions: Hour, minute, second, date. Quick date setting. Instant date change. Stop-seconds (hacking) to set time precisely. Jewels: 24. Frequency: 28800 vph. Power reserve: Around 40 hours.
CASE
316L stainless steel. Diameter: 40 mm. Thickness: 9 mm. Lug width: 20 mm. Water resistance: 5 ATM. Luminescence: No lume. Dial: Green. Sunburst finish. Applied hour markers. Crystal: Sapphire crystal. Case back: Fixed with screws. Transparent. Sapphire crystal case back. Hands: Sea-Gull watch graphic logo on the seconds hand. Crown: Push-pull. Fluted cylinder shape. Stainless steel crown.
STRAP
Black. Cowhide leather. No quick release: Need tool to remove strap from case. Fit for case lug width: 20 mm. Clasp: Butterfly clasp. Stainless steel clasp.























