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Osco 800
Jewels: 17
Power Reserve: 50 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1950-1955
Size: 17.55 x 24.9 mm
Height: 3.75 mm
Hands: 1.12 x 0.64 / 0.20 mm
The Osco 800 watch movement, also known as model 4, was produced from 1950 to 1955, with 117,000 units manufactured during this period. It features a Breguet hairspring and a lever with cap jewels. The movement is manually wound and includes a sub-second function.
The Osco 800 features the following functions:
- Manual Winding
- Sub Second
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 | 6483/ELG | 6483/ELG | Buy part |
| CANNON PINION 2.75 CURVED DIAL | 5348/ELG | 151-554/ELG | Buy part |
| CANNON PINION, HT 2.12 | 5549/ELG | 150-557/ELG | Buy part |
| CLUTCH LEVER SPRING | 5274/ELG | 250-532/ELG | Buy part |
| FOURTH WHEEL | 5559/ELG | 284-557/ELG | Buy part |
| MAINSPRING 4-11-12 DBH | MS-JA126 | GR 3284-DBH | Buy part |
| MAINSPRING, 15/0 | 258-557/ELG .0038 | Buy part | |
| MINUTE WHEEL | 5286/ELG | 289-532/ELG | Buy part |
| PALLET FORK & ARBOR | 6497/ELG | 141-671 | Buy part |
| REGULATOR | 5548/ELG | 5548/ELG | Buy part |
| STAFF, 15S | 22BB/146 | 6502/ELG P7.5 | Buy part |
| STAFF, USE 22BB/146 | 264-670/ELG | 264-670/ELG | Buy part |
| WINDING ARBOR TAP 9 | 5522/ELG | 5522/ELG | Buy part |
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