Seiko Cal. 5291 - 847

This Automatic model from 1981 features a 40mm Stainless Steel case. Powered by the 5291 caliber with 33j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-7fc5be722d3b]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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