Seiko Cal. 6331 - 548

This Spring Drive model from 1998 features a 40mm Stainless Steel case. Powered by the 6331 caliber with 29j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-499e04569d04]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1998

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