Seiko Cal. 4430 - 564

The Seiko 4430-564 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c8f98e7b8cd8]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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