Seiko Cal. 4421 - 621

This Hand-Winding model from 1969 features a 36mm Stainless Steel case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4c264b996053]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1969

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