Seiko Cal. 5665 - 611

The Seiko 5665-611 represents an important milestone in Seiko's 1986 lineup. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-0ae1ecb45f0c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1986

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