Seiko Cal. 7187 - 631

The Seiko 7187-631 represents an important milestone in Seiko's 1986 lineup. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-53e81d0cb63d]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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