CASIO AD-500 YACHT TIMER, Very rare, vintage $21.00 - PicClick
Vintage 1980s Casio Yacht Timer 389 AD-500 Japan Digital Watch | WatchCharts
Casio AD-500 80's Yacht timer! Lovely condition considering it's age, currently on a NATO Strap, not really my choice but neither is the bi metal strap. I need to give it some