Seiko Cal. 5660 - 899

The Seiko 5660-899 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-44fdba703cdb]

Also known as: Samurai, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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