Important Collectors Wristwatches, P...
Geneva, Oct 04, 2009
Specially made for Alberto Santos Dumont in 1928 L. Leroy & Cie, Horlogers a Paris, ?Chronographe dedoublant?, No. 20105, case No. 16017. Ordered by Henri Dumont and made especially for Alberto Santos Dumont in 1928. Extremely fine and historically important, 18K gold, keyless pocket watch with split-seconds chronograph and progressive 30-minute register.
C. Four-body, ?bassine et filets?, polished band and border, engine-turned back with engraved foliate monogram HD, button for start/stop and return-to-zero of the chronograph in the crown, split-seconds pushbutton at 11 o?clock. Hinged gold cuvette inscribed ?Mai 1928, No. 20105, Henri Dumont, Mouvement de Chronographe dedoublant Execute specialement pour M. Santos Dumont par L. Leroy & Cie?. D. Matte silver, champlevé Breguet numerals, outer minute divisions, outermost fifths of a second chronograph divisions, subsidiary 30-minute register at 12 o?clock, subsidiary seconds at 6 o?clock, engine-turned center. Blued steel Breguet hands. M. 40 mm, 18???, frosted gilt bar caliber, 22 jewels, straight-line lever escapement, large-diameter cut-bimetallic compensation balance with gold screws, blued steel Breguet balance spring, index regulator. Dial, cuvette and movement signed. Diam. 46 mm.
Grading System | |
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Grade: |
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Case: 3 |
Good |
Movement: 2* |
Very good Overhaul recommended, at buyer's expense |
Dial: 3-7-01 |
Good Oxidized HANDS Original |