Seiko's Speed Timer automatic chronograph, manufactured in 1971, is now in stock. This model has a radial-finished gray dial with yellow chrono hands. Both the dial and exterior are in overall good condition with no noticeable damage. The inner bezel, which often does not rotate, also turns firmly. The belt is a rare genuine stainless steel bracelet with "SEIKO 5 SPORTS" engraved on the buckle. The movement is the world's first self-winding chronograph "Cal. 6139". The crown can be pushed in shallow to fast-forward the date, and pushed in deep to toggle between the date and day of the week. The day of the week is bilingual (Japanese and English) in Japan.
Brand: Seiko
Model: Speed Timer
Reference: 6139-7020
Year of manufacture: 1971
Dial: Original dial
Detail: Bar hands, bar indexes, tonneau case, 30-minute counter
Case material: SS
Case size: 46 mm (length) / 41 mm (width) (excluding crown) / 13 mm (thickness)
Bracelet: Seiko genuine stainless steel bracelet (19mm)
Movement: Cal.6139A (automatic winding)
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