Seiko Cal. 6231 - 111

This Automatic model from 1980 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3d6a2eaaea8d]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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