Seiko Cal. 6672 - 677

The Seiko 6672-677 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-73aa11ad1800]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1989

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