Flywheel · Date and Day
FLYWHEEL
Brand: Sea-Gull (海鷗). Reference: 217.425. [Version: date and day. View other versions →]. Official retail price: CN ￥2,880
The rotating part at 6 o'clock looks like tourbillon but it's not. Date and day of the week indication by retrograde hands.
MOVEMENT
Mechanical, self-winding. China Made. Caliber: Sea-Gull ST2504. Functions: Hour, minute, second, date, day (Central hour, minute and seconds hands, date hand at 10 o'clock, day of the week indication at 2 o'clock.). Jewels: 38. Frequency: 21600 vph. Power reserve: Around 42 hours.
CASE
316L stainless steel. Diameter: 41 mm. Thickness: 14 mm. Lug width: 20 mm. Water resistance: 5 ATM. Luminescence: No lume. Dial: Black. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Hands: Regrograde date and day hands. Crown: Push-pull. Fluted cylinder shape. Signed with the Sea-Gull watch logo.
BRACELET
Stainless steel links. Clasp: Butterfly clasp. Stainless steel clasp.
Description
FLYWHEEL
Brand: Sea-Gull (海鷗). Reference: 217.425. [Version: date and day. View other versions →]. Official retail price: CN ￥2,880
The rotating part at 6 o'clock looks like tourbillon but it's not. Date and day of the week indication by retrograde hands.
MOVEMENT
Mechanical, self-winding. China Made. Caliber: Sea-Gull ST2504. Functions: Hour, minute, second, date, day (Central hour, minute and seconds hands, date hand at 10 o'clock, day of the week indication at 2 o'clock.). Jewels: 38. Frequency: 21600 vph. Power reserve: Around 42 hours.
CASE
316L stainless steel. Diameter: 41 mm. Thickness: 14 mm. Lug width: 20 mm. Water resistance: 5 ATM. Luminescence: No lume. Dial: Black. Crystal: Sapphire crystal. Case back: Screw-down notched. Transparent. Hands: Regrograde date and day hands. Crown: Push-pull. Fluted cylinder shape. Signed with the Sea-Gull watch logo.
BRACELET
Stainless steel links. Clasp: Butterfly clasp. Stainless steel clasp.
