Seiko Cal. 5240 - 640

This Spring Drive model from 1974 features a 42mm Titanium case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c4728bb51832]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1974

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