Seiko Cal. 7185 - 664

The Seiko 7185-664 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-73f5038b96c7]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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