Seiko Cal. 0728 - 993

This Automatic model from 1974 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-d11ec54cfdc8]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1974

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