Seiko Cal. 6660 - 985

Seiko 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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