Seiko Cal. 6639 - 539

This Hand-Winding model from 1994 features a 40mm Titanium case. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-43bc2d24419e]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1994

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