Seiko Cal. 3817 - 118

The Seiko 3817-118 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-8e245158fdc7]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1984

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