Seiko Cal. 4556 - 149

The Seiko 4556-149 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2badcb80dc70]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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