Manufactured 1870, sold October 12th 1871

Sell probability TheBasis model · trained on recorded passes

72% chance this lot finds a buyer · market base rate 72%

Of the 92,019 held-out lots the model scored about 72%, 69% sold.

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Patek Philippe. A Fine And Rare 18k Gold Keyless Wind Minute Repeating Half Hunter Pocket Watch, Manufactured 1870, sold October 12th 1871. Bonhams, 7 Sep 2021, lot 32. estimate £12,000–£18,000, unsold at time of record. TheBasis.Art, TB-2026-647730.

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From the same sale Watches and Wristwatches · Sep 2021

Comparable results nearest sold works, same medium & price band

The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.