Seiko Cal. 6643 - 584

This Spring Drive model from 1966 features a 41mm PVD Black case. Powered by the 6643 caliber with 28j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ea15a931b482]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

Related Models

• Seiko 3814-344
• Seiko 5233-305
• Seiko 7133-847
• Seiko 0760-441
• Seiko 6288-150
• Seiko 6158-713
• Seiko 4466-414
• Seiko 5631-851
• Seiko 0739-826
• Seiko 0719-674
• Seiko 0711-226
• Seiko 4494-235