Seagull Caliber TY2706
Seagull Caliber TY2706

Seagull Caliber TY2706

Manufacturer Seagull
Caliber Number TY-2706, TY2706, ST1701, ST17
Base Caliber
ST16
Movement Type
Automatic, self-winding mechanical
Lignes
11.5”’
Diameter
26mm
Height
4.65mm
Jewels 20
Beats per hour 21,600 vph, 3Hz
Power Reserve > 36 hours
Anti-Shock System Incabloc clone
Hand-Windable? Yes
Functions Central hours; central minutes; small seconds subdial at 6:00
Hacking Seconds? No
Country of Manufacture Made in China
Known Models
(Please add your watch in the comments below…)

The Seagull caliber TY2706 (aka ST1701) is an automatic movement with a small seconds subdial at 6:00.

The small seconds position on this calibre is made possible because of the placement of the fourth wheel. This layout is useful for modern day versions of vintage mechanical military watches or pocket watch style designs.

Tianjin and Seagull are the same company (Tianjin Seagull Watch Group), but they have offices in Tianjin, China as well as Hong Kong. Apparently the different caliber numbers correspond with where the movements ship out of.

You’ll notice no engravings or inscriptions on the movement or rotor. Not even a jewel count.

Additional Resources:

Seagull Caliber St19

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