Seiko Cal. 4542 - 636

The Seiko 4542-636 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-a9ac6b77413e]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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