Sector Watch, movement by Record Watch Co. S. A. , Tramelan, Swiss patent N°7961, registered on April 9, 1903 by Giovanni Sgherlino, Turin. Fine and highly unusual, fan-shaped, keyless, silver watch with unusual "Niello"-decoration and retrograde time indication.
- USD3 000 - 4 000
- EUR2 700 - 3 600
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C. four-body, solid by Holy Frères, entirely "Niello"-decorated, in the back with a forest scene, centered by a deer within an oak tree frame, hinged silver cuvette. D. white enamel with Arabic numerals from 0 to 12, outermost from 0 to 60 for the retrograde indication of the hours and minutes. "Spade" blued steel hands. M. Cal. . 34 x 48. 5 mm, fan-shaped, gilt brass, 15 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring. Dial and inner cover signed, case stamped by Holy Frères, movement signed Record Watch Co. Dim. 60 x 71 mm.