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You are here: Home / Movements / ST1612

ST1612

Last Update: June 28, 2019

Brand:Sea-Gull, Tianjin
Family:
Tianjin TY2800/ST16 Family
Height:5.76 mm
Jewels:18, 21
Reserve:36 hours
Frequency:21,600 A/h
Winding:Automatic, Bi-Directional Automatic Winding, Central Rotor Automatic Winding
Diameter:26.00 mm (11.5 ligne)
  Complications:Date, Hacking Seconds, Hand Winding
Hands:Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00
Distinguishing Technical Characteristics
Central-Rotor Automatic
Clockwise Balance Cock
Screwed Mobile Stud Regulator
Balance
Balance at 4:30
Central Rotor
Production: 1997 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. ST1612, produced by Tianjin Seagull Corporation, is an automatic movement with a central date wheel. The design is similar to the Miyota 8215 and it uses a bi-directional winding mechanism similar to Seiko’s Magic Lever. The movement is roughly finished by the factory, with no engravings or stampings to identify it.

Cal. ST16 is also known as TY2806 when sold by directly by Tianjin.

Cal. ST1612/TY2806 is used by a number of companies, including Android, Fossil, Hager, Ingersoll, Rotary, and Zodiac. It was the basis for the Claro CL-888, re-manufactured in Switzerland to be sold as Swiss Made.

As of 2022, the retail price for Cal. ST1612 is US$35.49.

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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