Vintage 1975 SEIKO BELL-MATIC WEEKDATER 27Jewels 4006-7012 Automatic Japan #2022

Category

Wristwatches

Store

eBay

Brand

Seiko

The Bell-Matic has two mainsprings: one for powering the watch and one for ringing the bell.The mainspring for powering the watch is wound by shaking the watch.The mainspring for ringing the bell is wound by winding the crown while the button at the 2 o'clock position is not pulled out.

435.84 GBP