Valuation · updated July 2026 · live listings + documented auction results
How much is a H. Moser & Cie Swiss Mad Watch & Swiss Alp Watch Prototype worth?
As of July 2026, the H. Moser & Cie Swiss Mad Watch & Swiss Alp Watch Prototype 8327-1400 has 1 documented auction result; the record is $126,250 (Christie's Geneva, 2017); no live-listing sample currently meets our minimum for a market band.
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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”.