Seiko Cal. 5668 - 551

The Seiko 5668-551 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-34025613217b]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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