Seiko Cal. 6664 - 606

The Seiko 6664-606 represents an important milestone in Seiko's 1998 lineup. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-20e0661eecba]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1998

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