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Tianjin TY2100/ST21 Family

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BRANDS: Sea-Gull, Tianjin

Production: 2005 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

The Tianjin TY2100 family of movements is an automatic, 28,800 A/h clone of the ETA 2800 family.

  • TY2100/ST2100: Automatic, day/date, 26 jewels
  • TY2130/ST2130: Automatic, date, 26 jewels
  • ST2153: Automatic, moon phase at 1:30, date by pointer at 6:00, retrograde power reserve indicator at 10:30
Calibre Start Year End Year Diameter (mm) Diameter (ligne) Height (mm) Complications
ST2100 2005 Current 25.60 5.05 Date, Day, Hacking Seconds, Hand Winding, Instant Date Change, Instant Day Change, Quick Date Correction, Quick Day Correction
ST2130 2005 Current 25.60 4.60 Date, Hacking Seconds, Hand Winding, Instant Date Change, Quick Date Correction