Seiko Cal. 6639 - 599

The Seiko 6639-599 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-51338cd70ed0]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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