Seiko Cal. 6660 - 874

The Seiko 6660-874 represents an important milestone in Seiko's 1968 lineup. Powered by the 6660 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-ba5b3d3be598]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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