Seiko Cal. 4437 - 368

This Quartz model from 1980 features a 39mm Titanium case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-753544ed9cde]

Also known as: Sumo, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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