Seiko Cal. 6256 - 642

The Seiko 6256-642 represents an important milestone in Seiko's 1983 lineup. Powered by the 6256 caliber with 29j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-493fb35d0f40]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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