Seiko Cal. 3890 - 639

The Seiko 3890-639 represents an important milestone in Seiko's 1996 lineup. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-e7184a20fe8a]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1996

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