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Bulova B721
Frequency: 18000 vph
The Bulova B721 is a mechanical watch movement with a beat rate of 18,000 vibrations per hour (vph).
The Bulova B721 features the following functions:
- Mechanical Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.070 x 240 x 6.5 mm | GR4428 | Manual | Buy mainspring |
| 1.60 x 0.080 x 220 x 6.5 mm | GR4444 | 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 |
|---|---|---|---|
| BALANCE COMPLETE, REGULAR | 721/598 | 721/598 | Buy part |
| JEWEL, CAP | 311/WIT 6N7G | Buy part | |
| MAINSPRING 1.60-.07-242 | MS-714E | GR 4428 | Buy part |
| MINUTE WHEEL | 260/WIT 6N7 | 260/6W7-6N7G | Buy part |
| PALLET ARBOR, 40-90-10 S/S | 72S/81P | 714/AS 1045 | Buy part |
| REGULATOR FLAT | 301/WIT 6N7G | Buy part | |
| ROLLER 180X75X36 | 82S/40R | 730/31 | Buy part |
| ROLLER, INCABLOC 180X75X36 | 82S/147R | 730/AS 1649 | Buy part |
| SET BRIDGE | 445/639 | 445/AS 1023 | Buy part |
| SHOCK SPRING, LOWER 223 X 155 | 400/811 | 173.03/INC | Buy part |
| SHOCK SPRING, UPPER INCABLOC | 400/4 | 170.03/INCA #1 | Buy part |
| STAFF | 100/1028 | Buy part | |
| STAFF, INCA | 100/1614 | 728/WIT 6N7G | Buy part |
| STEM | 200/37F | 401/GP 67 | Buy part |
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