Seiko Cal. 3812 - 636

This Spring Drive model from 1983 features a 40mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-aed05722efe6]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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