Seiko Cal. 0723 - 357

This Spring Drive model from 1986 features a 37mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-d49dc493b87f]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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