Seiko Cal. 3873 - 981

The Seiko 3873-981 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-e37954295d97]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1988

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