Seiko Cal. 6643 - 643

This Solar model from 1971 features a 41mm PVD Black case. Powered by the 6643 caliber with 23j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-7b2a23c76321]

Also known as: Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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