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Unitas 508
Ligne: 10.5'''
Jewels: 15/17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1935
Diameter: 23.3 mm
Hands: 1.40 x 0.80 mm
Base: Felsa 71
The Unitas 508 is a manual wind watch movement that features a bimetallic screw balance. It is one of several similar movements produced by Felsa, including models 71, 73, 75-80, 144, 166, 203, 205, 216, 219, 240, 244, 255, 268, 284, 286, 287, and 326, as noted. The Unitas 508 movement includes sub second and sweep seconds functions. It was commonly used around the period of 1935.
The Unitas 508 features the following functions:
- Manual Winding
- Sub Second
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.100 x 320 x 9.0 mm | GR4880 | Manual | Buy mainspring |
| 1.70 x 0.095 x 320 x 9.0 mm | GR4870 | Manual | Buy mainspring |
| 1.70 x 0.100 x 290 x 9.0 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) |
|---|
Documents
Parts Listing
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