Seiko Cal. 3890 - 416

This Quartz model from 1972 features a 39mm Two-Tone case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c87a70b55f05]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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