Seiko Cal. 5639 - 304

This Solar model from 1982 features a 36mm Titanium case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-08dab5af9198]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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