Seiko Cal. 3816 - 643

This Spring Drive model from 1974 features a 34mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-f37bfe793cb6]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1974

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