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Longines 503
Ligne: 13'''
Jewels: 21
Power Reserve: 47 hrs
Frequency: 18000 vph
Type: Automatic
Period used: 1955-
Diameter: 29.4 mm
Height: 4.6 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Longines 503 watch movement was introduced in 1955 and is renowned for being the thinnest automatic movement of its time. It offers the option of a crank regulator. This movement includes automatic winding functionality and features a sweep second hand. The Longines 503 has been in use since its introduction in 1955.
The Longines 503 features the following functions:
- Automatic Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.110 x 11.0 mm | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
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