Seiko Cal. 5642 - 839

This Hand-Winding model from 1981 features a 38mm Titanium case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-2d2c490746a7]

Also known as: Samurai, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1981

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