Seiko Cal. 4431 - 897

This Quartz model from 1980 features a 43mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b90bd3ac4713]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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