Seiko Cal. 5271 - 591

This Solar model from 1973 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-4e8a44f848b2]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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