Seiko Cal. 3899 - 742

This Automatic model from 1970 features a 34mm Titanium case. With its 22mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-9309269e1ce1]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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