Seiko Cal. 5656 - 180

This Automatic model from 1974 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-737d8e127844]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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