Seiko Sportsmatic Calendar 820 automatic gold plated and stainless steel gentleman's wristwatch, ref. 15040, circular silvered dial with gilt baton markers, minute markers, date aperture and gilt sweep centre seconds, gilt hands,
Jual Seiko SportsMatic Calender 820 Cal.Sea Horse (Rare Vintage Seiko) - Jakarta Utara - If24watch | Tokopedia
Seiko - "NO RESERVE PRICE" Sportsmatic Calendar 820 - 7625-8961 - Men - 1960-1969 in Turkey
WTS] Vintage Seiko Sportsmatic 820 beauty from the 60s : r/Watchexchange