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Certina 74A
Ligne: 13.5'''
Jewels: 1/17/21
Lift Angle: 45°
Power Reserve: 36 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1975
Size: 36.1 x 31.05 mm
Height: 5.2 mm
The Certina 74A watch movement features a pin-lever escapement, an indirectly driven minute hand allowing for a large balance and low profile, and an optional shock protection mechanism by elastical spiral balance spokes. The movement is commonly or always referred to as the 8810. It operates with a manual winding mechanism and offers a digital display of minutes and a jumping hour function. The Certina 74A movement was typically used during the period around 1975.
The Certina 74A features the following functions:
- Digital display: minute, jumping hour
- Manual Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.130 x 360 x 11.5 mm | 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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