Seiko Cal. 6648 - 391

The Seiko 6648-391 represents an important milestone in Seiko's 1997 lineup. Powered by the 6648 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-5a7ee99c68d2]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1997

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