Seiko Cal. 5671 - 123

This Spring Drive model from 1970 features a 37mm Stainless Steel case. With its 22mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-be703307501a]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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