Seiko Cal. 6664 - 701

The Seiko 6664-701 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-ad0770bea8e3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1991

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