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Unitas 6497
Jewels: 17
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1910-1945
Diameter: 43.1 mm
Height: 6.65 mm
Hands: 1.65 x 0.92 / 0.25 mm
The Unitas 6497 watch movement was produced between 1910 and 1945, with a total of 357,700 units manufactured. This open face caliber, known as model 7, features a bimetallic screw balance and a Breguet hairspring. It incorporates a negative stem mechanism, allowing for the switching between winding and setting by either the crown or lever. The escapement of the movement has been modified. Additionally, the Unitas 6497 movement includes functions such as stem wind, sub second, and was primarily used during the mentioned period from 1910 to 1945.
The Unitas 6497 features the following functions:
- Stem wind, switching by crown or lever
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.64 x 0.190 x 560 x 16.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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