Seiko Cal. 6680 - 767

Seiko 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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