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Osco 50
Ligne: 6.75 x 8'''
Jewels: 17
Power Reserve: 39 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1975
Size: 15.3 x 18.2 mm
Height: 4.5 mm
Hands: 1.20 x 0.70 x 0.18 mm
The Osco 50 watch movement is a manual wind movement that features a sweep second function. It was primarily used during the period of approximately 1975.
The Osco 50 features the following functions:
- Manual Winding
- Sweep second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.080 x 245 x 7.5 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 039-41 | 721/2113 | Buy part |
| CLICK | 060-10 | 425/991 | Buy part |
| CLUTCH WHEEL | 064-11 | 407/1083 | Buy part |
| CROWN WHEEL | 058-13 | 420/1296 | Buy part |
| CROWN WHEEL RING | 057-12 | 422/704 | Buy part |
| ESCAPE WHEEL S/C | 032-22/CIT | 703/240 | Buy part |
| FOURTH WHEEL, REGULAR | 023-25 | 220/841 | Buy part |
| MAINSPRING | 770/186 | Buy part | |
| PALLET ARBOR | 72S/42P | 714/BUR 40 | Buy part |
| PALLET FORK & ARBOR | 035-29 | 710/983 | Buy part |
| RATCHET WHEEL | 059-15 | 415/1308 | Buy part |
| REGULATOR | 051-27 | 301/1449 | Buy part |
| ROLLER 180X75X33 | 82S/193R | Buy part | |
| SET LEVER | 067-06 | 443/1470 | Buy part |
| STAFF | 043-20 | 723/1232 | Buy part |
| STEM | 065-298 | 065-298 | Buy part |
| THIRD WHEEL | 017-17 | 210/1413 | Buy part |
| WINDING PINION | 063-12 | 410/1321 | Buy part |
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