Seiko Cal. 6651 - 577

The Seiko 6651-577 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5ca07ede4b1b]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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