Seiko Cal. 5290 - 315

This Hand-Winding model from 1965 features a 40mm Stainless Steel case. Powered by the 5290 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-ffa6082a7945]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1965

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