Seiko Cal. 6645 - 917

The Seiko 6645-917 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-68c730bf7f78]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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