25+ Omega 3861 Vs 1861 UK. I don't recall off the top of my head what the 1861 was off by, but it was enough that i recall feeling the persnickety. But my gut tells me they will go with the 3861 only.
I don't recall off the top of my head what the 1861 was off by, but it was enough that i recall feeling the persnickety.
The new omega speedmaster professional moonwatch master chronometer: 8.2 abschließende gedanken zur neuen moonwatch (2021). So it still has lineage back to at least the 861. Omega calibre 3861 (page 1).