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ETA 2550R
Ligne: 7.75'''
Jewels: 21/25
Power Reserve: 39 hrs
Frequency: 28800 vph
Type: Automatic
Period used: 1970-
Diameter: 17.5 mm
Height: 5.35 mm
Hands: 1.20 x 0.70 x 0.20 mm
The ETA 2550R watch movement, which was used from 1970 onwards, features a temporary or optionally micrometer regulator. This movement is automatic and offers several functions including sweep seconds, day and date display with quickset capabilities, a hack feature, and a calendar.
The ETA 2550R features the following functions:
- Automatic Winding
- Calendar
- Date: quickset
- Day: quickset
- Hack feature
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.32 x 0.077 x 290 x 6.5 mm | Auto | 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 |
|---|---|---|---|
| ROLLER 155X75X33 | 82S/143R | 730/36 | Buy part |
| STEM, TAP 10 | 200/1742F (use 401/729) | 200/1742F | Buy part |
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