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A Michel 504
Ligne: 5.5 x 7.25'''
Jewels: 17
Power Reserve: 40 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: 1948-1954
Size: 12.5 x 16.5 mm
Height: 4.2 mm
Hands: 0.92 x 0.50 mm
Base: Gruen 275
The A Michel 504 watch movement is a manually wound mechanical movement that was produced from 1948 to 1954. It features a Breguet hairspring and underwent minor modifications throughout its production period.
The A Michel 504 features the following functions:
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 1163 | Ordinary/None | Buy staff |
| 3793 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.070 x 200 x 6.0 mm | GR2854 | Manual | Buy mainspring |
| 1.20 x 0.070 x 180 x 6.0 mm | Manual | Buy mainspring | |
| 1.20 x 0.070 x 180 x 5.5 mm | GR2853 | 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 FLAT HSPG | 721/805 | 721/GRU 275 | Buy part |
| BALANCE COMPLETE, BREGUET | 721/806 | 721/806 | Buy part |
| CLUTCH | 407/GRU 275 | Buy part | |
| ESCAPE WHEEL, C/C | 702/GRU 275 | Buy part | |
| MAINSPRING 1.20-.07-180 5,5 | MS-314AA | GR 2853 | Buy part |
| PALLET ARBOR | 72S/3P | 714/GRU 210 | Buy part |
| ROLLER 155X70X33 | 82S/8R | Buy part | |
| ROLLER, INCABLOC 155X70X33 | 82S/159R | Buy part | |
| STAFF | 100/381 | 723/GRU 275 | Buy part |
| STEM, O/S | 200/1270F | Buy part | |
| STEM, OS HUB N.M. | 200/397F | 401/GRU 275 | Buy part |
| WINDING PINION | 410/GRU 275 | 410/GRU 275 | Buy part |
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