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Unitas 444
Ligne: 17.75'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1915
Diameter: 40.3 mm
Height: 5.3 mm
Hands: 1.60 x 0.96 / 0.25 mm
The Unitas 444 is an open face calibre watch movement with a bimetallic screw balance and a Breguet hairspring. It features a negative stem mechanism for the US market, allowing for stem winding and setting. Additionally, it includes a sub-second function and a slider that enables the stem to be switched to winding for service. The movement was commonly utilized during the period of approximately 1915.
The Unitas 444 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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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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