Seiko Cal. 3813 - 979

This Spring Drive model from 1975 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-42364035b6f6]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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