Seiko Cal. 6256 - 637

The 6256-637 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6256 caliber with 35j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-fce26ad6b03c]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

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