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Mainspring
For Bulova B721
1.60 x 0.070 x 240 x 6.5 mm
GR Reference #: GR4428
Height (H): 1.6mm
Thickness (T): 0.07mm
Total Length (TL): 240mm
Barrel Diameter (BD): 6.5mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Belstaff 11U4B81 | 21JL DSS SHOCK | 11.5 |
| Bettlach 8021-68 | PL DSS CALD | 11.5 |
| Miyota 6M91 | ||
| Bulova 6AC | 6.75 x 11 | |
| Bulova 869515 | ||
| Bulova C859083 | BULOVA CASE REFERENCE | |
| Bulova C875018 | BULOVA CASE REFERENCE | |
| Hamilton 847 | QUARTZ ANALOG DSS CALD DAY-DATE W/CORR | 10.5 |
| Bulova MIY 2W28 | MIYOTA 2W28 | 6050.27 |
| Certina 29-252 | ELECTRONIC-QUARTZ-RESONATOR-SW. SEC.-STOP SEC-CAL DAY | 13 |
| Citizen 4-191200 | CITIZEN CASE | |
| Citizen 4-222172 | CITIZE CASE REFERENCE | |
| Citizen 4-224809 | CITIZEN CASE | |
| Citizen 4-664043 | CITIZEN CASE | |
| Citizen 4-853911 | CITIZEN CASE | |
| Citizen 4-F40772 | CITIZEN CASE | |
| Citizen 4-G12609 | CITIZEN CASE | |
| Citizen 4-G13541 | CITIZEN CASE | |
| Citizen 4-L10233 | CITIZEN CASE | |
| Citizen 4-Y61485 | CITIZEN CASE | |
| Citizen 42-1642 | CITIZE CASE REFERENCE | |
| Citizen 48-1521 | CITIZE CASE REFERENCE | |
| Citizen 9121A | QUARTZ DIGITAL | |
| Citizen AA-9002 | CITIZE CASE REFERENCE | |
| Dugena 775 | 7.75 | |
| Ebosa 84 | PIN LEVER | 8.75 |
| Gruen 518CA | ||
| Hamilton 847 | QUARTZ ANALOG DSS CALD DAY-DATE W/CORR | 10.5 |
| Heuer 2540 | VALJ 72C | 13 |
| Longines CJA1181 | ||
| Mathey Tissot TISSOT CM15 | INL | 12 |
| Miyota 6M91 | ||
| Omega 2813 | OMEGA CASE USES CALIBER 244/245 | |
| Omega 511.341 | OMEGA CASE USES CALIBER 650 | |
| Omega 611.028 | OMEGA CASE USES CALIBER 483 | |
| Otero 79K | 18,000 BPH DSS AUTO (BALL BEARING) SHOCK ADJ STUD HOLDER | 11.5 |
| Pulsar W306A | QUARTZ DIGITAL | 12 |
| Rolex 74000N | TUDOR CASE | |
| Seiko 1N00-1H20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2206-7030 | SEIKO CASE REFERENCE | |
| Seiko 2F70-6021 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2Y00-5190 | SEIKO CASE REFERENCE | |
| Seiko 4217-506A | SEIKO CASE REFERENCE | |
| Seiko 5M23-6B60 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6139-7100 | SEIKO CASE REFERENCE | |
| Seiko 7019-5090 | SEIKO CASE REFERENCE | |
| Seiko 7N82-0AD0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko S038-4000 | SEIKO CASE 951201 | |
| Seiko V258-0020 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V811-0630 | SEIKO CASE 08/12/98 | |
| Seiko Y558-5089 | PULSAR CASE REFERENCE | |
| Timex 1524002381 | TIMEX CASE REFERENCE | |
| Urofa 55 | 10.5 | |
| Venus 120-121 | STOPWATCH TIMER | 18 |
| Waltham R560 | AUTOMATIC SWEEP SECOND INCABLOC | 11.5 |
| Wittnauer CKY1218 | WITTNA CASE REFERENCE |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
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