Caliber 861

Robert-Jan Broer
June 27, 2006
Caliber 861

This TZ Omega Forum member ‘Comatox’ not only has great taste in watches, he also makes fabulous pictures of them. Below you see a photo of the caliber 861 used in vintage Speedmaster Professional watches (amongst others). Click here to see more of these high-res pictures of this superb chronograph handwound movement.

Photo by ‘Comatox’ @ TZ Omega Forum

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Robert-Jan Broer
About the author

Robert-Jan Broer

Ever since he was a young child, Robert-Jan was drawn to watches, even though it were digital Casio and quartz Swatch models at the time. In the mid-1990s, his interest increased when he started to read about mechanical watches in... read more

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