Seiko Cal. 5660 - 774

The Seiko 5660-774 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-68940dd89d7c]

Also known as: Rally, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1989

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