Seiko Cal. 7187 - 855

The Seiko 7187-855 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-617c8d6ff3cb]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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