Seiko Cal. 5248 - 291

This Spring Drive model from 1968 features a 35mm Stainless Steel case. Powered by the 5248 caliber with 20j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-5be9f96d862b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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