Seiko Cal. 5638 - 789

This Quartz model from 1988 features a 39mm Titanium case. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-704e7d2b6c0c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1988

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