Seiko Cal. 4420 - 554

The Seiko 4420-554 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-16097af388bd]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

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