Seiko Cal. 4436 - 634

This Automatic model from 1976 features a 36mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-21cfaffa7d06]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

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