Seiko Cal. 5638 - 428

This Kinetic model from 1988 features a 40mm Stainless Steel case. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-803cd962d9d7]

Also known as: Monster, Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

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