Seiko Cal. 4520 - 188

This Spring Drive model from 1969 features a 34mm PVD Black case. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ff58f65aa648]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1969

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