Valuation · updated July 2026 · live listings + documented auction results
How much is a MB&F Horological Machine No. 2 Diamond-Set worth?
As of July 2026, the MB&F Horological Machine No. 2 Diamond-Set 20 has 2 documented auction results; the record is $125,000 (Christie's Hong Kong, 2018); no live-listing sample currently meets our minimum for a market band.
Most recent documented result: $36,036 (Christie's Hong Kong, 2022).
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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”.