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,
Vintage SEIKO SPORTSMATIC CALENDAR 820 15040 MEDIUM ACCURACY MENS WATCH Japan | eBay
SEI-CS-15040-10 | SEIKO Bobbin case tension Spring PT-1-LS SAME AS 151 – Marfar Australia
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,