Seiko Cal. 6647 - 884

The Seiko 6647-884 represents an important milestone in Seiko's 1997 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-77c8d8c810d4]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1997

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