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Return To ShopThe Standard 81 CALENDAR watch movement is a hunter movement, designed and manufactured in America. It features 21 jewels, which help reduce friction and enhance the precision of the timekeeping mechanism.
The Standard 81 CALENDAR features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.80 x 0.210 x 540 x 17.0 mm | GR7007T | T | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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