Seiko Cal. 6634 - 825

This Solar model from 1981 features a 35mm Hardlex-Coated Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a34dbe3bf3ca]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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