Casio GMW15 - Moon Graph] - (1985) - Animated moon phase watch with sunrise, sunset and moon angle data. Its upper display is negative polarized. How beautiful and unique is it? : r/Watches
Casio GMW 15 Moon Graph wrist watch - YouTube
BUY Casio Moon Data Tide graph Digtial Watch WS-1300H-1AV, WS1300H | CASIO Watches Online - Red Deer Watches