Seiko Cal. 7181 - 660

The Seiko 7181-660 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-615c74367b55]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1985

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