Seiko Cal. 0731 - 406

This Automatic model from 1968 features a 34mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-3dc574c3d3aa]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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