Pocket Watch Database
Elgin Grade 304
Elgin Part #1720 - Springs: Mainspring
Springs: Mainspring
#1720
Compatibile Grades
The following Elgin grades contain part #1720.
| 232 | 233 | 234 | 235 | 253 |
| 254 | 260 | 275 | 276 | 301 |
| 302 | 303 | 304 | 310 | 311 |
| 314 | 315 | 321 | 322 | 344 |
| 345 | 346 | 347 | 363 | 364 |
| 383 | 384 |
Compatibility Match Scores
Compatibility Match Compared to Elgin Grade 304.
| Grade | Shared Parts |
|---|---|
| 345 |
97.8%
|
| 315 |
97.8%
|
| 347 |
96.6%
|
| 384 |
95.5%
|
| 322 |
95.5%
|
| 302 |
94.4%
|
| 364 |
93.3%
|
| 344 |
93.3%
|
| 314 |
93.3%
|
| 346 |
91.0%
|