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Longines 420
Ligne: 13'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 46 hrs
Frequency: 21600 vph
Type: Manual Wind
Period used: 1974-
Diameter: 30 mm
Height: 6.95 mm
Hands: 1.60 x 1.10 x 0.25 / 0.28 x 0.25 x 0.23 mm
The Longines 420 watch movement is a manual-wind chronograph with a 60-second, 30-minute, and 12-hour counter, as well as a sub second function. It features a pillar wheel mechanism and allows for the adjustment of the day and month using a pusher located at 10 o'clock. A deeper push of the same pusher enables further adjustments to the day indication. The date hand can be set using a separate pusher positioned at 8:30 o'clock. The chronograph function offered by the Longines 420 was utilized starting from 1974 onwards.
The Longines 420 features the following functions:
- Date hand: set by pusher at 8:30h
- Day, month: set by pusher at 10h (for day push deeper)
- Manual-wind chronograph, 60s, 30min, 12h, pillar wheel
- Sub Second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.145 x 380 x 12.0 mm | GR3530 | Manual | 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) |
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Documents
Parts Listing
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