Seiko Cal. 6191 - 251

This Spring Drive model from 1990 features a 43mm Hardlex-Coated Steel case. Powered by the 6191 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-c5cd3ded9e34]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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