Seiko Cal. 4540 - 190

This Spring Drive model from 1974 features a 39mm Titanium case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ebbab6e287ee]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1974

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