Seiko Cal. 6642 - 804

The Seiko 6642-804 represents an important milestone in Seiko's 1990 lineup. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-38159d63fa16]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1990

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