Seiko Cal. 6639 - 571

The Seiko 6639-571 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-aac7d9766a07]

Also known as: Samurai, Pogue

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1987

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