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You are here: Home / Movements / ST2100

ST2100

Last Update: June 28, 2019

Brand:Sea-Gull, Tianjin
Family:
Tianjin TY2100/ST21 Family
Height:5.05 mm
Jewels:26
Reserve:41 hours
Frequency:28,800 A/h
Winding:Automatic, Bi-Directional Automatic Winding, Central Rotor Automatic Winding
Diameter:25.60 mm
  Complications:Date, Day, Hacking Seconds, Hand Winding, Instant Date Change, Instant Day Change, Quick Date Correction, Quick Day Correction
Hands:Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00, Day Window at 3:00
Distinguishing Technical Characteristics
Central-Rotor Automatic
Clockwise Balance Cock
Screw Regulator
Balance
Balance at 12:00
Central Rotor
Production: 2005 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. ST2100, produced by Tianjin Seagull Corporation, is an automatic movement with a central day and date wheels. The design is similar to the ETA 2836-2.

Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.
External Link
Manufacturer Link

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