Seiko Cal. 3813 - 191

This Solar model from 1974 features a 43mm Hardlex-Coated Steel case. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-28b0f9bf3796]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1974

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