Seiko Cal. 4421 - 518

This Quartz model from 1984 features a 43mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5f3cdd63e9b0]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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