Seiko Cal. 3890 - 681

This Quartz model from 1984 features a 36mm Stainless Steel case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8c1b308d3635]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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