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IWC 52 18
Ligne: 8.75'''
Jewels: 17
Lift Angle: 52°
Power Reserve: 41 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1955
Diameter: 19.7 mm
Hands: 1.20 x 0.70 x 0.21 mm
Base: Fontainemelon 64
The IWC 52 18 watch movement is a manual wind movement that features a sweep second hand and a date function that is set by changing the 20-24 hour time display. It also includes a sweep seconds hand, a calendar function, and was commonly used around the year 1955. The technical differences between the 641-2N and the 64-2 or 64-1 movements are not specified in the provided information.
The IWC 52 18 features the following functions:
- Calendar
- Date: set by changing 20-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.080 x 250 x 7.5 mm | 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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| GIB/BOLT INCA 240X19 THICK | 400/1 | 180.19/INCA #11 | Buy part |
| JEWEL, INCA BALANCE 135X50X09 | 400/11 | 111.09/INCA#8 | Buy part |
| JEWEL, INCA UPPER CAP 120X27 | 400/7 | 121.11/INCA #5 | Buy part |
| JEWEL, UPPER CAP INCA 120X18 | 400/8 | 122.11/INCA #6 | Buy part |
| SHOCK SETTING, COMPLETE LOWER | 400/1671 | 103.20.9/INC | Buy part |
| SHOCK SPRING, LOWER 223 X 155 | 400/811 | 173.03/INC | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| UPPER UNIT D282 H9 | 400/832 | 100.11.282.9 | Buy part |
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