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Eterna 1426UD
Ligne: 12.5'''
Jewels: 17/21
Power Reserve: 49 hrs
Frequency: 21600 vph
Type: Automatic
Diameter: 28 mm
Height: 5.2 mm
Hands: 1.50 x 0.90 x 0.21 mm
The Eterna 1426UD watch movement features different rotor patterns. It is an automatic movement with sweep seconds and a calendar function. The date can be quickset by repeated pulling of the crown.
The Eterna 1426UD features the following functions:
- Automatic Winding
- Calendar
- Date: quickset by repeated pulling the crown
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.115 x 360 x 10.5 mm | GR2646X | Auto | Buy mainspring |
| 1.10 x 0.115 x 320 x 10.0 mm | GR2644X | 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 |
|---|---|---|---|
| BARREL | 182/750 | 182/ETERNA 1428 | Buy part |
| COUPLING CLUTCH (MTD) | X/4742 | 4039 | Buy part |
| DATE INDICATOR DRIVE WHEEL | A/4042 | 2556 OLD | Buy part |
| DATE INDICATOR DRIVE WHEEL | A/5668 | Buy part | |
| MAINSPRING, 1.10 X .115 X 12.5 | MSS-WA65 | GR 2644-X | Buy part |
| MAINSPRING, AUTO | A/6416 | 771/ETER 1427 | Buy part |
| SCREW, OSCILLATING WT BEARING | A/3162 | 51497/ETE 1488 | Buy part |
| SET BRIDGE | 445/884 | 445/884 | Buy part |
| SET LEVER (DETENT) | 443/983 | 443/1-ETE 1438 | Buy part |
| STAFF, SHOCK STAFF BALANCE .90 | 100/2581 | Buy part | |
| STEM, FEMALE OA9.85 SH4.90 | 360/316 | 360/316 | Buy part |
| WHEEL. HOUR/DATE DRIVE 6.5MM | A/4035 | 2558/ETE 1438 | Buy part |
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