Seiko Cal. 6271 - 658

The 6271-658 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6271 caliber with 28j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-c22ff0760ed5]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1970

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