Seiko Cal. 6331 - 672

This Spring Drive model from 1998 features a 41mm Titanium case. Powered by the 6331 caliber with 33j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-5cbaba8fb313]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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