Seiko Cal. 0781 - 891

This Spring Drive model from 1972 features a 42mm Hardlex-Coated Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-18382a626af3]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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