The transitional first year of the calibre 861 era — some examples still carry 321-era details.
How to read this. Filled markers are realized sales; hollow markers are asking prices. Prices are plotted exactly as listed — no currency conversion is applied, so color indicates the listing currency. Click any point to jump to its entry in the sale ledger below.
Every plotted point, with its source. Click a point on the chart to jump to its row.
| Date | Venue | Price | Type | Notes | Source |
|---|---|---|---|---|---|
| 2017-12-04 | Bonhams | $8,125 USD | Realized | Transitional; cal. 861; Extract from Archives; all-original condition. New York. | Bonhams ↗ |
| 2020-02-18 | Bonhams | £6,062 GBP | Realized | Transitional; cal. 861; on bracelet. London Knightsbridge. | Bonhams ↗ |
| 2023-11-04 | Antiquorum | CHF 6,875 CHF | Realized | Transitional; cal. 861; on expandable Omega 1506/16 bracelet. Geneva. | Antiquorum ↗ |
| 2024-05-12 | Antiquorum | CHF 6,875 CHF | Realized | With box and warranty; on 1039/516 bracelet dated 1969. Geneva. | Antiquorum ↗ |