Seiko Cal. 5638 - 149

The Seiko 5638-149 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-1f7bc4b130cd]

Also known as: Shogun, Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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