Seiko Cal. 6656 - 517

The 6656-517 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6656 caliber with 18j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-f415f330e964]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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