Seiko Cal. 6664 - 918

The Seiko 6664-918 represents an important milestone in Seiko's 1966 lineup. Powered by the 6664 caliber with 23j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-ab3ab0fed2f6]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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