Seiko Cal. 6660 - 985

The 6660-985 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6660 caliber with 20j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-3cdf3543318f]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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