Seiko Cal. 6664 - 748

The Seiko 6664-748 represents an important milestone in Seiko's 1986 lineup. Powered by the 6664 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-21613ad25ef2]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1986

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