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ETA 6498-1
Ligne: 11.5'''
Jewels: 17
Frequency: 19800 vph
Type: Manual Wind
Period used: ~1960
Diameter: 26 mm
Hands: 1.50 x 0.90 x 0.22 mm
Base: Wittnauer 11KA
The ETA 6498-1 is a mechanical watch movement that was originally designed by Record and later adopted by Longines. It is not clear if there were other variations available as Wittnauer calibres. The movement includes functions such as manual winding, sweep second, and a date feature that can be set by changing the time from 19:30 to 24h. The C11KS was commonly used during the approximate period of 1960, however, specific differences between the 11KS and C11KS-2 are unknown.
The ETA 6498-1 features the following functions:
- Date: set by changing 19:30-24h
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.140 x 400 x 12.0 mm | GR3004 | 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 |
|---|---|---|---|
| MAINSPRING 1.20-.14-400 12 | MS-38T | GR 3004 | Buy part |
| SET BRIDGE | 445/LON 501 | 445/LON 501 | Buy part |
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