
The Parrenin Z171 watch movement is an open face calibre that was introduced in approximately 1930. The technical details of this movement are known, but there is limited information available regarding the specific differences between the 790 and 7909 variations. The movement features functions such as stem winding and setting, as well as a sub-second display.
The Parrenin Z171 features the following functions:
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.215 x 460 x 17.5 mm | GR3896 | Manual | 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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