Seiko Cal. 5285 - 258

This Spring Drive model from 1970 features a 34mm PVD Black case. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-abceaf694dfb]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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