Seiko Cal. 7071 - 631

This Spring Drive model from 1971 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-e4f20d1a1c72]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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