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Certina 25-65
Ligne: 11.5'''
Jewels: 17/21/25
Power Reserve: 42 hrs
Frequency: 18000 vph
Type: Automatic
Period used: ~1955
Diameter: 26 mm
Height: 5.3 mm
Hands: 1.50 x 0.90 x 0.21 mm
Base: ETA 2452
The Certina 25-65 is a mechanical watch movement which features an automatic winding mechanism, sweep second hand, and a date function. The movement belongs to a series of movements including the 2452, 2455, 2457, 2460, 2462, and 2463, with known differences between them remaining undisclosed. The Certina 25-65 movement was utilized in watches produced around 1955. The date is adjusted by changing the time between 21-24 hours.
The Certina 25-65 features the following functions:
- Automatic Winding
- Date function set by changing 21-24h
- Sweep second function
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4377 | Ordinary/None | Buy staff |
| 5136 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.105 x 360 x 10.5 mm | GR3271X | Auto | Buy mainspring |
| 1.30 x 0.105 x 300 x 9.5 mm | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| GIB/BOLT INCA SHOCK .15 THICK | 400/774 | 180.15/INCA #12 | Buy part |
| JEWEL, INCA BALANCE 135X50X10 | 400/12 | 111.10/INCA #9 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| SCREW, INCA SHOCK 18X60 | 400/3 | 160.11/INCA #15 | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| SHOCK UNIT COMPLETE, LOWER | 400/33 | 100.20.10 | Buy part |
| SHOCK UNIT, UPPER D312 H10 | 400/1492 | 103.21.312.10 | Buy part |
| STEM | 401/422 | Buy part | |
| STEM, T10 | 200/1299F | 401/ETA 2451 | Buy part |
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