Seiko Cal. 4564 - 731

This Quartz model from 1981 features a 39mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-2ab35c5e359c]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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