Seiko Cal. 4437 - 422

The Seiko 4437-422 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8714429ac471]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1974

Related Models

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• Seiko 4524-723
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