Seiko Cal. 4550 - 143

The Seiko 4550-143 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e9e3dd0c94c0]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1966

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