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You are here: Home / Movements / ST2503

ST2503

Last Update: June 28, 2019

Brand:Sea-Gull, Tianjin
Family:
Tianjin TY2500/ST25 Family
Height:7.4 mm
Jewels:29
Reserve:45 hours
Frequency:21,600 A/h
Winding:Automatic, Central Rotor Automatic Winding
Diameter:30.40 mm
  Complications:Date, Day, Month, Year
Hands:Central Hour Hand, Central Minute Hand, Date Pointer at 3:00, Day Pointer at 9:00, Month Window at 12:30, Open Heart at 6:00, Year Window at 11:30
Distinguishing Technical Characteristics
Central-Rotor Automatic
Central Rotor
Production:  – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. ST2503 is a watch movement produced by Tianjin Seagull in China. It is part of the TY2500/ST25 family of movements.

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

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