Watch Database

CROWN WHEEL

For Seiko 4N20-0420

445/637

Alternate: 28/BUL 5AH

Movement Listing

This part is also used by the following movements:

Movement	Description	Ligne
Eterna 1187	COVERED WINDING	5.25 x 7
Seiko 2E20-6160	SEIKO CASE REFERENCE
Seiko V230-5810	PULSAR CASE REFERENCE
Valjoux 55VBR	SPLIT SECOND CHRONOGRAPH	17

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