Seiko Cal. 4421 - 813

This Spring Drive model from 1974 features a 40mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5517ecd4938f]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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