Seiko Cal. 6680 - 767

The Seiko 6680-767 represents an important milestone in Seiko's 1985 lineup. Powered by the 6680 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-187ee7f12cfe]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1985

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