Seiko Cal. 7166 - 931

The Seiko 7166-931 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-eb7becfd50bf]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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