Seiko Cal. 0753 - 731

This Automatic model from 1988 features a 37mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0e128441adba]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

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