Seiko Cal. 4550 - 603

This Hand-Winding model from 1979 features a 43mm PVD Black case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d09dc127acaa]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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