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Citizen 4-890728
Jewels: 23
The Citizen 4-890728 is an open face calibre watch movement of American origin, featuring 23 jewels.
The Citizen 4-890728 features the following functions:
- American Made
- Open Face Calibre
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.80 x 0.210 x 540 x 17.0 mm | GR7007T | T | 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 ARBOR BEFORE S#459801 | 101011/HAM | 23/HAM | Buy part |
| BARREL ARBOR, MOTOR (SEE NOTE) | 101012/HAM | 236/HAM | Buy part |
| BARREL JEWEL LOWER | 239010/HAM | 132/HAM | Buy part |
| CANNON PINION | 319010/HAM | 319010/HAM | Buy part |
| JEWEL, FOURTH UPPER | 255011/HAM | 141/HAM | Buy part |
| JEWEL, UPPER BARREL | 239011/HAM | 130/HAM | Buy part |
| JEWEL, UPPER CENTER | 241011/HAM | 241011/HAM | Buy part |
| JEWEL, UPPER ENDSTONE BALANCE | 245013/HAM | 166R/HAM | Buy part |
| JEWEL, UPPER ESC WHEEL | 251014/HAM | 148/HAM | Buy part |
| MAINSPRING 2.80-.21-540 17 | MS-JA201 | GR 7007-T | Buy part |
| MAINSPRING 23-4.5-25.25 | 718010/HAM | 718010/HAM | Buy part |
| MAINSPRING 23X5X25 1/4 | 718014/HAM | 718014/HAM | Buy part |
| PALLET ARBOR (2 PCS) | 103010/HAM | 103010/HAM | Buy part |
| PALLET ARBOR (SOLID) | 103012/HAM | 254/HAM | Buy part |
| SCREW, CASE | 393010/HAM | 179/ALL GRADES | Buy part |
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