Seiko Cal. 5659 - 681

The Seiko 5659-681 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-3eebebbce66e]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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