Seiko Cal. 5256 - 133

This Spring Drive model from 1973 features a 38mm Gold-Plated case. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-f6d0fa5abc23]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1973

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