Phillips New York · 2017
Philippe Dufour — Duality
Reference Duality · Platinum
$1,800,000
About this lot
The first wristwatch to feature a dual escapement with a differential system. Only nine examples were ever produced, as the complexity of regulating two balances proved too time-consuming even for Dufour.
Other documented Philippe Dufour auction lots
| Reference | Model | Hammer | Year | Venue |
|---|---|---|---|---|
| Simplicity | Simplicity | $1,512,000 | 2020 | Phillips Hong Kong |