Seiko Cal. 3899 - 738

This Automatic model from 1981 features a 46mm Titanium case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-de738619312a]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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