Seiko Cal. 4590 - 489

The Seiko 4590-489 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1fca5cb00424]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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