Seiko Cal. 5664 - 355

This Spring Drive model from 1975 features a 43mm Titanium case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-bc4ed5583eef]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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