Seiko Cal. 6643 - 708

The 6643-708 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-883cd862fb79]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1972

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