Seiko Cal. 4421 - 397

The Seiko 4421-397 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-bea0837cc2e6]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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