Seiko Cal. 5631 - 116

This Automatic model from 1972 features a 36mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-183710e91727]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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