Seiko Cal. 6680 - 720

The 6680-720 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6680 caliber with 27j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-26d9be3af596]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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