Seiko Cal. 0731 - 584

The Seiko 0731-584 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-93b1685a45eb]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1989

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