Seiko Cal. 3847 - 421

This Spring Drive model from 1975 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-469fe752bc96]

Also known as: Pogue, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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