Seiko Cal. 6638 - 852

This Solar model from 1975 features a 43mm Stainless Steel case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d27f11b17027]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1975

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