Seiko Cal. 6331 - 571

This Kinetic model from 1984 features a 40mm Stainless Steel case. Powered by the 6331 caliber with 21j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ed52879ccf53]

Also known as: Samurai, Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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