Pocket Watch Database
Elgin Grade 257
Elgin Part #510 - Jewels: Fourth: Lower
Jewels: Fourth: Lower
#510
Compatibile Grades
The following Elgin grades contain part #510.
| 2 | 3 | 4 | 36 | 39 |
| 41 | 48 | 49 | 83 | 84 |
| 85 | 89 | 90 | 100 | 106 |
| 107 | 108 | 135 | 136 | 137 |
| 138 | 139 | 140 | 152 | 153 |
| 154 | 158 | 159 | 160 | 185 |
| 186 | 195 | 241 | 242 | 244 |
| 245 | 247 | 248 | 257 | 258 |
| 299 | 300 | 305 | 306 | 312 |
| 313 | 337 | 338 | 339 | 340 |
| 342 | 365 | 366 | 381 | 382 |
| 386 | 387 | 397 | 398 |
Compatibility Match Scores
Compatibility Match Compared to Elgin Grade 257.
| Grade | Shared Parts |
|---|---|
| 152 |
96.8%
|
| 258 |
95.7%
|
| 185 |
93.6%
|
| 220 |
92.6%
|
| 158 |
92.6%
|
| 154 |
91.5%
|
| 247 |
91.5%
|
| 153 |
91.5%
|
| 186 |
89.4%
|
| 221 |
88.3%
|
Notes
Some parts were changed during the lifespan of the grade. The notes below indicate when the changes occurred for each matching grade.
- Grade 312:
After serial number 15904001 - Grade 313:
After serial number 15907001 - Grade 337:
After serial number 14136901 - Grade 338:
After serial number 15637401 - Grade 365:
After serial number 15872001 - Grade 366:
After serial number 15501401 - Grade 381:
After serial number 15875501 - Grade 382:
After serial number 15934001 - Grade 386:
After serial number 15814001 - Grade 387:
After serial number 15879501