Seiko Cal. 7131 - 886

This Quartz model from 1977 features a 41mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-d3eeec87668d]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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