Seiko Cal. 4421 - 460

The Seiko 4421-460 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6480cf2cb2d4]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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