Seiko Cal. 5256 - 831

Released in 1966, the Cal. 5256 with design code 831 was part of Seiko's domestic market collection. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-53db80ea86ea]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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