Seiko Cal. 6660 - 856

The Seiko 6660-856 represents an important milestone in Seiko's 1965 lineup. Powered by the 6660 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-8c6881986020]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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