The ST5 was China's first 100% domestically designed and built wristwatch movement, launched in 1966 for the DongFeng (East Wind) watch. Features 19 jewels including jewels for mainspring barrel. Known for distinctive 'Sea-Gull Stripes' decorative finishing with hand-engraved radiating arcs. Later upgraded to ST5-K with 21,600 bph. Highly prized by collectors. First exported under the Sea-Gull brand in 1973.
Movement Type
Manual Wind
Jewel Count
19 jewels
Power Reserve
40h
Frequency
21,600 vph (6 Hz)
Display Type
Analog
Shock Protection
Incabloc
BRAND
Seagull Watch GroupTYPE
Manual WindSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1966CALIBER FAMILY
ST5COUNTRY
ChinaALSO KNOWN AS
