Seiko Cal. 6290 - 585

This Spring Drive model from 1975 features a 36mm Hardlex-Coated Steel case. Powered by the 6290 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-9f35efdfb990]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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