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1967

Seiko Business Bell

The world’s first watch equipped with self-winding, waterproofing, calendar, and bell alarm mechanisms. User’s could easily set the alarm time by pulling the crown and adjusting the position of the arrow on the ring on the outer periphery of the dial.

Name Seiko Business Bell
Time/Period 1967
Additional information The alarm sounds by striking a ring-like sound rod, just like an actual bell. The ring is both beautiful and discreet.