Omega Speedmaster Racing Master Chronometer vs Omega Speedmaster Professional
Omega Speedmaster Racing Master Chronometer
329.30.44.51.01.001
Omega Speedmaster Professional
310.30.42.50.01.002
Side-by-side at a glance. Click a watch above to open the full reference page.
| Omega 329.30.44.51.01.001 | Omega 310.30.42.50.01.002 | |
|---|---|---|
| Model | Speedmaster Racing Master Chronometer | Speedmaster Professional |
| Caliber | Omega Cal. 9900 -- Co-Axial Master Chronometer automatic chronograph, 28,800bph, 60h PR; METAS-certified, anti-magnetic; used in Speedmaster Racing | Omega Cal. 3861 -- Co-Axial Master Chronometer, manual-wind, 21,600bph, 50h PR, 33j; column-wheel, METAS-certified, anti-magnetic to 15,000 gauss |
| Case size | 44.25mm | 42mm |
| Lug-to-lug | 49mm | 46.2mm |
| Years produced | 2017–present | 2021–present |
| Brand tier | luxury | luxury |
| Era | modern | modern |
| Movement tier | In-house manufacture | In-house manufacture |
| Market median (excellent / full-set) | n/a | n/a |
| Typical range | n/a | n/a |
| Confidence | low | low |
| Categories | chronograph, sport | chronograph, sport |
| Editorial | yes | yes |
| Typical price (2026) | n/a | $5,500 – $7,500 |
| Service | n/a | Every 8 years · $600 – $900 |
| Collector note | n/a | landmark: The Cal. 3861 Moonwatch is the only watch NASA has ever certified for extra-vehicular activity and remains in continuous production, making it the single most historically documented wristwatch in circulation. |
| Named dial variants | n/a | 1 variant |
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