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A Michel 503
Ligne: 18.5'''
Jewels: 15
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1940
Diameter: 41.65 mm
Height: 5.3 mm
Hands: 2.00 x 1.15 / 0.27 mm
The A Michel 503 watch movement, manufactured around 1940, is an open-face calibre with stem wind and set functionality. It features a sub-second function and is available with an optional Breguet hairspring. The movement potentially incorporates a left-handed ratchet-wheel screw, while the various bridge shapes are likely denoted by catalog designations. Further details regarding the differences between other calibres, such as 231, 235, 239, 243, 249, 255, 259, 265, 271, 277, 447, 449, 471, 477, and 508, are unknown.
The A Michel 503 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.10 x 0.210 x 490 x 17.0 mm | Manual | Buy mainspring | |
| 2.10 x 0.210 x 480 x 16.0 mm | GR6106 | 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 |
|---|
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