Seiko Cal. 6656 - 666

The 6656-666 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6656 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-02e2196909ac]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1967

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