Seiko Cal. 3817 - 590

The Seiko 3817-590 represents an important milestone in Seiko's 1983 lineup. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-d5062aadb3b7]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1983

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