Only Online Auction
Hong Kong, Mar 08, 2023
LOT 4
ATO (LÉON HATOT) AND BLANCPAIN
EARLY SELF-WINDING WRISTWATCH; “ROLLS”; 18K YELLOW GOLD
EARLY SELF-WINDING WRISTWATCH; “ROLLS”; 18K YELLOW GOLD
HKD 2,000 - 4,000
EUR 250 - 500 / CHF 250 - 500 / USD 300 - 550TO BE SOLD WITHOUT RESERVE
Sold: HKD 11,250
18K yellow gold, self-winding, rectangular-shaped, Art Deco, gentleman’s wristwatch, silver dial with subsidiary seconds at 6 and patented movement. Case-back engraved in taille-douce “Al Buen Amigo / TiTo M·Rapallo / 21·7·932 / M. T a Ahran”.
| Grading System | |
|---|---|
Case: 3-6-8 |
Good Slightly oxidized Slightly scratched |
Movement: 3 * |
|
Dial: 3-6-8-01 |
Good Slightly oxidized Slightly scratched HANDS Original |
Brand ATO, Paris
Model “Rolls”
Year circa 1930-1935
Movement No. unnumbered
Case No. 100 119 (by Fabrique de boîtes P. Etienne, Les Bois, Jura, Franches-Montagnes)
Material 18K yellow gold
Bracelet brown leather strap
Buckle stainless steel buckle
Caliber 9’’’ ½, by Blancpain, Villeret (Jura Bernois), stamped “Hatot’s patents pending in all countries”, mounted on balls, rolls back and forth, thus winding the watch
Height 36 mm.
Width 25.4 mm.
Signature dial and movement
Accessories copies of invention patents
Notes
The Hatot self-winding system, called “Rolls”, made it possible to adapt a self-winding mechanism to both rectangular wristwatches and small-sized lady’s writswatches. Most often found in gold plated or chromium plated cases, 18K gold cases such as this lot are extremely rare.
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Movement based on the French invention patent No. 704 910, delivered on January 11, 1930, to Société Anonyme des Etablissements Léon Hatot, Paris (France), for a “Perfectionnements aux montres dont le remontage est assuré automatiquement par les déplacements et secousses qu'elles subissent, et aux systèmes analogues”.