Seiko Cal. 5671 - 906

This Solar model from 1978 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-42ea9cdf33e0]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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