Seiko Cal. 4520 - 819

This Spring Drive model from 1991 features a 35mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-808cdec79d45]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

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