Seiko Cal. 6664 - 784

The Seiko 6664-784 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-5f10922258e7]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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