Seiko Cal. 6655 - 568

The Seiko 6655-568 represents an important milestone in Seiko's 1975 lineup. Powered by the 6655 caliber with 31j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-7d0998c20891]

Also known as: Bullhead, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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