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Longines 993.1
Ligne: 11.5'''
Jewels: 17/21/25
Lift Angle: 52°
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1970
Diameter: 26 mm
Height: 4.7 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Longines 993.1 watch movement, introduced around 1970, features several functions including automatic winding, a sweep seconds hand, and a day and date display. The movement's design allows for a large balance and a low profile, thanks to the indirectly driven minute hand. The day indication can be set by adjusting +/- 24 hours, while the date can be quickly adjusted by repeatedly pushing the crown.
The Longines 993.1 features the following functions:
- Automatic Winding
- Date: quickset by repeated pushing the crown
- Day and Date Display
- Day: set by +/-24h
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.115 x 360 x 11.0 mm | GR2465X | Auto | Buy mainspring |
| 1.00 x 0.118 x 320 x 10.5 mm | Auto | Buy mainspring | |
| 1.00 x 0.105 x 320 x 10.0 mm | GR2450X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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