Seiko Cal. 6284 - 631

This Spring Drive model from 1981 features a 46mm Titanium case. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-333ee8f9b0dd]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1981

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