Seiko Cal. 4550 - 424

The Seiko 4550-424 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-100becfb28ed]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1976

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