Seiko Cal. 6659 - 139

The Seiko 6659-139 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-76fcb7880722]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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