- Page Title
- A rare and important yellow gold open-faced keyless watch with power reserve indication, Awarded First Prize at the Geneva Astronomical Timing Contest of 1926-1927, Mvt. 191434, Case 413405, Made for Henry Graves Jr., Made in 1910 and Sold in 1927 | Important Watches featuring Exceptional Discoveries: The Olmsted Complications Collection | Watches | Sotheby's
- Brand
- sothebys.com
- Type
- Other
- First Seen
- 10/30/2025
- Last Seen
- 11/1/2025
- Domain
- sothebys.com
- URL
- https://www.sothebys.com/en/buy/auction/2025/important-watches-2/a-rare-and-important-yellow-gold-open-faced
- Description
- <p><strong>Movement:</strong> 22’’’ nickel lever movement stamped twice with the Geneva seal, 21 jewels, 8 adjustments, Guillaume balance, micrometer regulator, movement stamped <em>EXTRA</em>, numbered <em>191434 </em>twice</p><p><br></p><p><strong>Dial: </strong>amber enamel dial, Roman numerals, blued steel hands, two subsidiary dials for constant seconds and 26-hour power reserve indication with Breguet numerals and blued steel hands</p><p><br></p><p><strong>Case: </strong>18k yellow gold, cuvette engraved <em>Awarded First prize Geneva Astronomical Timing Contest 1926-1927, Made for Henry Graves Jr. New-York 1927, case back engraved with the crest of Henry Graves Jr. and motto Esse Quam Videri, inside case and cuvette stamped 413405.</em></p><p><br></p><p><strong>Signed: </strong>case, cuvette, dial, and movement</p><p><br></p><p><strong>Diameter: </strong>58 mm</p><p><br></p><p>Accompanied by<strong> </strong>Patek Philippe Extract from the Archive confirming the year of manufacture in 1910 and the date of sale on 2 November 1927, with remarks on the engraved coat of arms and the achievement of First Prize in the 1926 Geneva Observatory timing contest</p>
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