Seiko Cal. 7187 - 830

This Spring Drive model from 1985 features a 44mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-413db18ade05]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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