Seiko Cal. 6657 - 549

This Solar model from 1979 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-43e5e54ae9da]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1979

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