MAINSPRING 18-4-20.5 T
For IWC 87
434/55
Alternate: 8274/IWC 87
Movement Listing
This part is also used by the following movements:
Movement | Description | Ligne |
---|---|---|
MSR X5 | 13 | |
Seiko Y112-8099 | PULSAR CASE REFERENCE | |
Seiko 1N00-F040 | SEIKO CASE REFERENCE | |
Seiko Y112-8099 | PULSAR CASE REFERENCE | |
Zodiac 12 NEW | 21600 BPH- | 5.75 |