Seiko Cal. 6643 - 671

This Kinetic model from 1979 features a 35mm Gold-Plated case. Powered by the 6643 caliber with 23j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-1ff33550e8ae]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

Related Models

• Seiko 4533-636
• Seiko 0749-689
• Seiko 7184-953
• Seiko 4483-135
• Seiko 4479-429
• Seiko 4476-746
• Seiko 7065-764
• Seiko 6662-852
• Seiko 6666-280
• Seiko 4565-479
• Seiko 0729-530
• Seiko 6641-677