The Moonwatch story
The Speedmaster was introduced in 1957 as a chronograph with a tachymeter scale on the bezel. It became famous through its association with NASA's crewed spaceflight program and Apollo missions. Omega describes the Moonwatch as part of that history; exact certification and flight context should be understood from the model and era involved.
The word 'Moonwatch' is often used for a particular Speedmaster Professional lineage, but Speedmaster also includes racing-inspired designs, automatic chronographs, smaller models and other variants. A name on the dial does not establish that two watches use the same movement or case.
Manual-wind and automatic Speedmasters
Classic Moonwatch models have generally used hand-wound chronograph movements, giving the owner a daily winding ritual and a different case profile from some automatic versions. The collection has seen multiple movement generations and changes to case, bracelet, dial, crystal and lume.
Other Speedmaster references may use automatic movements or different functions. Identify the exact reference, caliber and generation before comparing price or reading a review. Use Omega's current product page and instruction manual for current technical data.
What to check before buying
Check chronograph function, hand alignment, crown and pusher feel, bracelet and clasp, crystal condition and service history. For a vintage or discontinued model, have an expert assess originality of dial, hands, bezel and movement. Box and papers help document history but are not authentication by themselves.
The chronograph is a practical tool and a horological feature, but the Speedmaster can be thick for some wrists. Try the exact version on and consider strap or bracelet configuration. Follow the model-specific instructions around chronograph use and water exposure.