Seiko Cal. 6656 - 304

The 6656-304 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6656 caliber with 26j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-26dbe740965a]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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