SEIKO Automatic Chronograph Watch Day/Date Indicator Wristwatch Sheffield and a 60-increment seconds index

and a 60-increment seconds index with darts indicating the hour positions

12103 DR ENDURA TIME CORP

vintage watches will keep as accurate time as a modern quartz watch

it still has the original white dial (showing some age) with enamel minute tracks

and a sub second dial at the 6 position

SEIKO Automatic Chronograph Watch Day/Date Indicator Wristwatch Sheffield and a 60-increment seconds indexSEIKO 5 SportsSpeed Timer Automatic Chronograph Dated from December 1973, this is a treasure timepiece, very unique! This is a vintage Seiko self winding chronograph wristwatch, ref. 6139 8029. Powered by an original Seiko automatic chronograph, (60 seconds, 30 minute, pillar wheel) movement (sophisticated excentre self winding mechanism with just one gear stage), caliber 6139B, 17 jewels, day date indicator (day quicksets by pushing the crown deeper,