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Seiko 8621-5000
The Seiko 8621-5000 watch movement features a sweep seconds function and operates at a beat rate of 18,000 vibrations per hour.
The Seiko 8621-5000 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 0.90 x 0.080 x 220 x 7.0 mm | GR2276DBH | DBH | 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 |
|---|---|---|---|
| CLICK & SPRING COMBINATION | 434/122 | 434/122 | Buy part |
| CLUTCH WHEEL | 407/1118 | 407/1118 | Buy part |
| MAINSPRING | 770/155 (use MSS-WZ525) | 770/155 | Buy part |
| MAINSPRING 0X12.5X11 DB&H | MSS-WZ525 | GR 2276-DBH | Buy part |
| MINUTE WHEEL | 260/VC 1002 | 260/VC 1002 | Buy part |
| PALLET FORK & ARBOR | 710/1315 | Buy part | |
| ROLLER *UA* | 730/VC 1002 | Buy part | |
| SCREW, SET LEVER | 5443/1345 | Buy part | |
| SET BRIDGE | 445/1316 | 445/1316 | Buy part |
| SET LEVER | 443/1493 | 443/1493 | Buy part |
| SETTING WHEEL *UA 8-98* | 450/VC 1002 | Buy part | |
| STAFF | 100/2214 | 723/AP 2001 | Buy part |
| STEM | 200/1470F | 200/1470F | Buy part |
| STEM, TAP 10 | 401/882 (use 200/1470F) | 401/882 | Buy part |
| THIRD WHEEL | 210/VC 1002 | Buy part | |
| WINDING PINION | 410/1350 | 410/1350 | Buy part |
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