Seiko Cal. 4421 - 397

The Seiko 4421-397 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f0e74f86c3d3]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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