Seiko Cal. 6663 - 684

The Seiko 6663-684 represents an important milestone in Seiko's 1984 lineup. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-b1c7aa6058df]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1984

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