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Cortebert 688
Jewels: 17
Power Reserve: 50 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1947-1950
Size: 17.55 x 24.9 mm
Height: 3.75 mm
Hands: 1.12 x 0.64 / 0.20 mm
The Cortebert 688 watch movement, produced from 1947 to 1950 with a total of 441001 units, belongs to the model 2 series. It features a Breguet hairspring, manual winding mechanism, and sub-second function.
The Cortebert 688 features the following functions:
- Manual Winding
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 721 | Ordinary/None | Buy staff |
| 4301 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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 |
|---|---|---|---|
| BALANCE COMPLETE | 6257/ELG | 6257/ELG | Buy part |
| BARREL ARBOR | 6254/ELG | 1-623/ELG | Buy part |
| CANNON PINION 2.75 CURVED DIAL | 5348/ELG | 151-554/ELG | Buy part |
| ESCAPE PINION | 6279/ELG | Buy part | |
| HAIRSPRING, BREQUET | 6526/ELG | 6526/ELG | Buy part |
| JEWEL, LOWER HOLE CENTER UNSET | 6270/ELG | 70-624/ELG | Buy part |
| MAINSPRING 15/0 | 258-557/ELG .0034 | Buy part | |
| MAINSPRING 15/0 | 6003/ELG .0036 | Buy part | |
| MAINSPRING 4-11-12 DBH | MS-JA126 | GR 3284-DBH | Buy part |
| MAINSPRING, 1.30X.11X320 DBH | GR 3284-DBH | Buy part | |
| MAINSPRING, 15/0 | 258-557/ELG .0038 | Buy part | |
| STAFF, 15/0S | 22BB/24 | 5551/ELG P7.5 | Buy part |
| STAFF, 1PC D/R P 7.5 | 5551/ELG | 264-557/ELG | Buy part |
| UPPER HOLE JEWEL UNSET CENTER | 6269/ELG | 68-624/ELG | Buy part |
| WHEEL, HOUR CURVED DIAL | 5347/ELG | 285A-554/ELG | Buy part |
| WINDING ARBOR TAP 9 | 5522/ELG | 5522/ELG | Buy part |
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