Seiko Cal. 5660 - 573

The Seiko 5660-573 represents an important milestone in Seiko's 1980 lineup. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-9f7b133daa9d]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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