32maximum strikes a Patek minute repeater plays, at 12:59
342parts in calibre R 27 PS, the movement behind the 1989 revival
6xdistance the 5750P fortissimo chime carries compared with a classic repeater
15pieces of the platinum Ref. 5750P Advanced Research edition
✦2021. Patek's Advanced Research team presented the fortissimo system, a sapphire wafer 0.2 mm thick that amplifies the gongs; a classic repeater heard at 10 m sounds like the 5750P heard at 60 m.
✦2019. The same Graves repeater returned at Christie's Geneva on 11 November 2019 and sold for CHF 4,575,000.
✦2016. Patek gathered eleven minute repeaters in its New York offices for a live-streamed Robb Report master class comparing how case metal and gems change the sound.
✦2012. At Sotheby's in June 2012, Henry Graves Jr.'s yellow gold tonneau repeater, previously unknown, sold for $2,994,500 against an $800,000 high estimate.
✦1989. For its 150th anniversary, Patek revealed its first in-house repeater calibre, the R 27, alongside the Calibre 89 pocket watch, ending three decades without a serial repeater.