Seiko Cal. 6643 - 522

The Seiko 6643-522 represents an important milestone in Seiko's 1967 lineup. Powered by the 6643 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-8bb501c77bf7]

Also known as: Pogue, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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