Seiko Cal. 6639 - 755

This Automatic model from 1986 features a 44mm Titanium case. With its 22mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-40e1141440b3]

Also known as: Samurai, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

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