Seiko Cal. 6638 - 386

This Solar model from 1980 features a 36mm Titanium case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-aa76e1a90abe]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1980

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