Seiko Cal. 6664 - 591

The Seiko 6664-591 represents an important milestone in Seiko's 1989 lineup. Powered by the 6664 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-77205744d1cc]

Also known as: Rally, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1989

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