Seiko Cal. 4581 - 551

This Spring Drive model from 1998 features a 43mm Titanium case. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-a76099982642]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1998

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