Seiko Cal. 6646 - 674

The Seiko 6646-674 represents an important milestone in Seiko's 1997 lineup. Powered by the 6646 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-fe9d4bec0acd]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1997

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