Bonhams : Patek Philippe, A Yellow gold open-faced keyless pocket

Patek Philippe - Lepine Pocket Watch - Ref. Patek Philippe - 636

Bonhams : Patek Philippe. An 18K gold keyless wind open face pocket watch Retailed by Asprey Ref 715, Circa 1965

Bonhams : Patek Philippe. An extremely fine and very rare 18K gold keyless wind open face minute repeating perpetual calendar pocket watch with moon phase and 24 hour indication Ref 962/1J-001, Purchased

Bonhams : Patek Philippe. An 18K gold keyless wind open face pocket watch with enamel decoration Circa 1900

Bonhams : Patek Philippe. An 18K gold keyless wind open face pocket watch Retailed by Relojoaria Gondolo, Rio de Janeiro Gondolo, Circa 1915

C.H. Meylan, Brassus. A 14ct gold keyless wind open face split second chronograph pocket watch

Bonhams : Patek Philippe. An 18K gold keyless wind open face pocket watch Case No.407328, Movement No.199168, Circa 1900

Bonhams : Patek Philippe. A small 18K gold keyless wind open face pocket watch Case No.249642, Movement No.143178, Circa 1910

Bonhams : Patek Philippe. An extremely fine and very rare 18K gold keyless wind open face minute repeating perpetual calendar pocket watch with moon phase and 24 hour indication Ref 962/1J-001, Purchased

Pocket watch with moon phase hi-res stock photography and images - Alamy

Patek Philippe Watches for Sale at Auction - Page 6

Bonhams : Patek Philippe. A small 18K gold keyless wind open face pocket watch Case No.249642, Movement No.143178, Circa 1910

Bonhams : Patek Philippe. A platinum and diamond set keyless wind open face pocket watch with Hollywood inscription Manufactured 1928, Sold 26th September 1929