Seiko Cal. 6256 - 758

The Seiko 6256-758 represents an important milestone in Seiko's 1972 lineup. Powered by the 6256 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-685e92cea36b]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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