Seiko Cal. 0753 - 866

This Spring Drive model from 1973 features a 43mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-c1398ba9c5f6]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

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