Seiko Cal. 6639 - 596

The Seiko 6639-596 represents an important milestone in Seiko's 1992 lineup. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-a2fdd46fc7b8]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1992

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