Seiko Cal. 5639 - 598

The Seiko 5639-598 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-9da2fd942755]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1989

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