Seiko Cal. 4581 - 826

The Seiko 4581-826 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b6fa67759ccd]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1991

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