Seiko Cal. 6660 - 985

The 6660-985 is a sought-after Solar piece from Seiko's golden era. Powered by the 6660 caliber with 22j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-0eeab0827cc7]

Also known as: Monster, Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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