Seiko Cal. 5640 - 967

This Spring Drive model from 1973 features a 44mm Titanium case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-204619d0120f]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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