Seiko Cal. 6680 - 188

The Seiko 6680-188 represents an important milestone in Seiko's 1968 lineup. Powered by the 6680 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-97cc39f980f5]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

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