Seiko Cal. 5271 - 530

This Spring Drive model from 1974 features a 35mm Hardlex-Coated Steel case. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-38ef2c2c1b84]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1974

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