Seiko Cal. 7150 - 786

This Spring Drive model from 1978 features a 37mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-d4394dffc182]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1978

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