quattro[Moderator]
20719
The Patek Philippe Singing Bird Boxes
Only 12 mechanical Singing Bird Boxes with integrated clock were made by Patek Philippe.
Only 8 of them have "survived time" as John Reardon says in the first video below.
And among these 8 "survivors", 4 belong to the Patek Philippe Museum.
Here are all 8 examples.
Best, Emmanuel
A/ Movement no. 28391 (1866)

credit: Collectability
B/ Movement no. 28394 (1866)
This example was sold by
Phillips in 2016.
C/ The four examples from the Patek Philippe Museum
1/ Movement no. 26685 with a Perpetual Calendar
This example was sold by
Sotheby's in 2006 (and, I assume, acquired by the Patek Philippe Museum on that occasion)

credit: Watch Collecting Lifestyle (1), Sotheby’s (2) & Patek Philippe Museum (3-5)
2/ Movement no. 28389

credit: Tony P & Patek Philippe Museum
3/ Movement no. 28398

credit: Patek Philippe Museum
4/ Movement no. 805010 (from the 1920s)

credit: Patek Philippe Musem
The four boxes displayed in window no. 14 of the Patek Philippe Museum 

credit: Timeforum (1) @jahboonyasit
D/ The two remaining examples, both sold by Antiquorum

credit: Antiquorum

credit: Antiquorum
E/ Bonus: example without clock, attributed to Charles-Abraham Bruguier the younger but retailed by Patek Philippe
This example was sold by
Christie's in 2022: the
dedicated page comprises a video that lets you listen to the singing bird.









credit: Christie’s
F/ Videos
Movement no. 28391 - Collectability
Movement no. 28391 - Sotheby's
Movement no. 28394 - Sjx