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Return To ShopThe Vostok 2809B watch movement, produced between 1908-1917 with a total of 22,000 units, features an open face calibre known as model 7. It incorporates a bimetallic screw balance and a Breguet hairspring. The movement includes a negative stem mechanism, which allows for switching between winding and setting positions using the stem. While the 366 shares similarities with other models like the 210, it includes modified escapement. Additional functions of the Vostok 2809B movement include stem winding with switching facilitated by either the crown or lever, as well as a sub-second display.
The Vostok 2809B features the following functions:
Dimensions | GR Reference # | End Type | Buy |
---|---|---|---|
2.64 x 0.190 x 560 x 16.0 mm | Manual | Buy mainspring |
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