Seiko Cal. 6640 - 149

The Seiko 6640-149 represents an important milestone in Seiko's 1989 lineup. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-03fae19fefb1]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

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