Seiko Cal. 6617 - 923

The Seiko 6617-923 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-3012f9808723]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1988

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