Valuation · updated July 2026 · live listings + documented auction results
How much is a Greubel Forsey Invention Piece 1 worth?
As of July 2026, the Greubel Forsey Invention Piece 1 GF02N has 1 documented auction result; the record is $400,000 (Christie's Hong Kong, 2021); no live-listing sample currently meets our minimum for a market band.
Auction record
$400,000
Christie's Hong Kong · 2021 · 1 documented comps
Full Invention Piece 1 dossier Set a price alert All valuations
How this valuation works
The live band is computed from in-stock listings matched to this reference across our tracked merchants (asking prices, not offers). The auction band is from documented, primary-sourced results in the Record Ledger corpus. The trend is the brand cohort's movement on the repeat-listing Price Index. Cite as “MostExpensiveWatches Valuation”.