Seiko Cal. 6643 - 111

This Solar model from 1965 features a 39mm PVD Black case. Powered by the 6643 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-20c16e6aa9fa]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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