| Rolex Spring bar size (Length x Thickness) | To fit Rolex case number |
| 050 - 20MM x 2.0MM (single shoulder) | 1019-0, 1675, 9401-0, 9411-0, 9420-0, 9121-0, 9430-0, 14060, 16550, 16570, 16600, 16700, 16710, 16713, 16750, 16753, 16760, 16800, 16803, 74100, 75304, 76100, 79090, 79160, 79170, 79180, 94010, 94110, 94200, 94210, and 94300. Equivalent to rolex part 23-9291 |
| 051 - 13MM x 1.8MM (single shoulder) | 6916. Equivalent to Rolex part 23-9260 |
052 - 13MM x 1.8MM
(double flange) | 69160. Equivalent to Rolex part 23-9363. |
052 - 17MM x 1.8MM
(double flange) | 6824. Equivalent to Rolex part 40170 |
052 - 19MM x 1.8MM
(double flange) | 15200, 1400, 14000 |
052 - 20MM x 1.8MM
(double flange) | |
054 - 19-20MM x 1.8MM
(double shoulder on one end, single shoulder on opposite end) | 1603, 9290. |
055 - 20MM x 1.8MM
(special Rolex end) | |
056 - 20MM x 1.8MM
(gold tone, special Rolex end) | 18038 , 18238, 18248, 1801, 1803, 118238. Equivalent to Rolex part 23-9381 |
