Seiko Cal. 5638 - 302

The Seiko 5638-302 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1f86c04ab854]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1967

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