Seiko Cal. 5671 - 137

This Spring Drive model from 1983 features a 44mm Stainless Steel case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-6907b937adc3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1983

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