Seiko Cal. 4591 - 990

This Hand-Winding model from 1994 features a 41mm Titanium case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-1ef9d2b19e87]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1994

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