TRIPPY~70s TOMONY BY SEIKO JUMP HOUR WATCH – RETROWATCHGUY
Watch 101 — Jump Hour - Hodinkee
1960's Seiko - mechanical wind jump hour. The inside movement is made by the Claro watch company (Chinese co.). During their early production years they outsour…
Another "full set" post - Tomony jump hour models | Wrist Sushi - A Japanese Watch Forum
Review: Christopher Ward C9 Harrison Jumping Hour - Worn & Wound
Seiko Alba ACAM001 Y204-5000 1996 Limited Mickey Manual Jump Hour; Music Box! | WatchCharts