Seiko Cal. 6634 - 918

The Seiko 6634-918 represents an important milestone in Seiko's 1984 lineup. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-9eb6afe73c1f]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1984

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