Seiko Cal. 6231 - 558

The Seiko 6231-558 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-35d3e4867bb1]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1991

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