Seiko Cal. 5639 - 161

The Seiko 5639-161 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-96210592219e]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

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