Seiko Cal. 6656 - 286

The 6656-286 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6656 caliber with 28j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-78c94c327972]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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