Seiko Cal. 6256 - 139

The 6256-139 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6256 caliber with 31j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-9f1944626d4a]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1988

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