Seiko Cal. 6650 - 666

The Seiko 6650-666 represents an important milestone in Seiko's 1987 lineup. Powered by the 6650 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a9123f6d19f1]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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