Seiko Cal. 6664 - 916

The 6664-916 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6664 caliber with 30j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-cb589320dee1]

Also known as: Tuna, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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