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Cortebert 451
Ligne: 13'''
Jewels: 17/25
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1955-1963
Diameter: 29.5 mm
Height: 4.3 mm
Hands: 1.50 x 0.90 x 0.20 mm
Base: Mido 1117P
The Cortebert 451 watch movement, produced between 1955 and 1963, features a rotor placed off-center and an integrated winding gear within the movement itself, resulting in a remarkably thin design for its time. It utilizes a detached manual wind, initially incorporating a screw balance which was later replaced with a ring balance. This movement showcases an automatic mechanism and includes a sweep second hand function.
The Cortebert 451 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4558 | Ordinary/None | Buy staff |
| 4953 | Ordinary/None | Buy staff |
| 4532 | Incabloc | Buy staff |
| 4895 | Incabloc | Buy staff |
| 4559 | Kif | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.100 x 340 x 10.0 mm | GR2922X | Auto | Buy mainspring |
| 1.20 x 0.100 x 290 x 9.0 mm | Auto | 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
| Part Description | Reference # | Alternate | Buy |
|---|
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