Seiko Cal. 4431 - 624

The Seiko 4431-624 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-99196f8964be]

Also known as: Silverwave, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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