Seiko Cal. 5256 - 763

The Seiko 5256-763 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e900ef9ef3aa]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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