Seiko Cal. 6666 - 256

The Seiko 6666-256 represents an important milestone in Seiko's 1991 lineup. Powered by the 6666 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-7da3489bdd8e]

Also known as: Helmet, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1991

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