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Zentra 78
Ligne: 16.5'''
Jewels: 15
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 37.2 mm
Height: 4.2 mm
Hands: 2.00 x 1.15 / 0.27 mm
The Zentra 78 is an open face calibre watch movement with varying bridge shapes. It is believed to have a left-handed ratchet-wheel screw, though this has not been confirmed. It shares similarities with other Unitas calibres such as the 285, 299, 303, 327, 331, 335, 339, 345, and 497, but the specific differences are not known. The Zentra 78 offers functions like stem winding and setting, as well as a sub-second display. It was commonly used during the approximate period of 1940.
The Zentra 78 features the following functions:
- Stem wind and set
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.180 x 450 x 15.0 mm | Manual | Buy mainspring | |
| 1.50 x 0.175 x 440 x 14.5 mm | GR43071 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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