The ST16 is Sea-Gull's workhorse base caliber developed in 1997. Based on Miyota 8200 series design but with Seiko Magic Lever style high-efficiency auto-winding. Foundation for many complicated variants (ST17, calendar versions, skeleton versions). Simple, efficient full-sized wristwatch caliber that has become a major export product.
Movement Type
Automatic
Jewel Count
21 jewels
Power Reserve
40h
Frequency
21,600 vph (6 Hz)
Diameter
26mm
Height
5mm
Display Type
Analog
Rotor Type
bidirectional
Winding
Magic Lever style
Shock Protection
Incabloc
BRAND
Seagull Watch GroupTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
1997CALIBER FAMILY
ST16COUNTRY
ChinaALSO KNOWN AS
