Seiko Cal. 6657 - 622

The Seiko 6657-622 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d0f62fd68c3d]

Also known as: Rally, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1999

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