Seiko Cal. 5638 - 759

The Seiko 5638-759 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-89807323a336]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1988

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