Seiko Cal. 5642 - 798

The Seiko 5642-798 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-54f0fdf35ba7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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