Seiko Cal. 4590 - 544

The Seiko 4590-544 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-166beda17e74]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1990

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