Seiko Cal. 6637 - 615

This Solar model from 1979 features a 38mm Hardlex-Coated Steel case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-487c78f472ae]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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