Watch Database

MAINSPRING 18.5-5-21 T

For IWC 8521

100/2703

Discontinued: Yes, use 703NMS

Movement Listing

This part is also used by the following movements:

Movement	Description	Ligne
Omega 191.0219	OMEGA CASE USES CALIBER 1434
Seiko H449-5010	SEIKO CASE REFERENCE

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