Seiko Cal. 4421 - 800

This Hand-Winding model from 1970 features a 37mm Titanium case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-5526247afc7b]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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