Seiko Cal. 0731 - 798

The Seiko 0731-798 represents an important milestone in Seiko's 1996 lineup. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-755af78b5f79]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1996

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