Breitling Premier B09 Chronograph 40
AB0930D31L1P1
- Case
- 40mm
- MSRP
- $9,950
- Movement
- Mechanical hand-wound
- Reserve
- 70h
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
AB0930D31L1P1
310.30.42.50.01.002
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Collectors who prefer a lighter, more compact manual-wind chronograph with dressier execution
Where it wins
Enthusiasts who want the strongest modern Moonwatch package and iconic chronograph heritage
The Omega uses the manual-wind Caliber 3861 with 26 jewels, 3 Hz frequency, 50-hour power reserve, METAS certification, and listed 15,000 gauss magnetic resistance. That makes it the more explicitly documented technical package here, especially for anti-magnetism and certification. The Breitling uses the manual-wind B09 manufacture caliber with 28 jewels, 4 Hz frequency, 70-hour power reserve, and COSC certification; it brings the longer reserve and higher beat rate, which are meaningful on paper and in daily winding rhythm. Serviceability and long-term reliability are not listed, so they cannot be compared directly. For technical sophistication, the Omega has the stronger listed modern performance credentials, while the Breitling counters with a more generous power reserve and chronograph architecture from Breitling’s B01 family. Winner: Omega Speedmaster Moonwatch Professional Master Chronometer
The Omega is 42mm across, 13.18mm thick, 47.5mm lug-to-lug, 138g, and has a 20mm bracelet that tapers to 15mm. Its wearability summary emphasizes that it wears closer to a compact sports chronograph than the numbers suggest, helped by the short lug-to-lug and twisted-lug case, though it is still substantial. The Breitling is smaller at 40mm and slightly thinner at 13.08mm, with a much lighter listed weight of 93.5g and a 20mm bracelet tapering to 18mm; the lug-to-lug is not yet listed. Its wearability summary highlights a compact, balanced feel and a more elegant profile. On the wrist, the Breitling should feel noticeably lighter and more understated, while the Omega has more traditional Moonwatch presence and greater visual density. Because the Breitling lacks a listed lug-to-lug, the Omega has the more fully supported fit data, but the Breitling is clearly the easier-wearing watch by weight and diameter. Winner: Breitling Premier B09 Chronograph 40
The Omega has a black dial, Super-LumiNova, sapphire crystal, transparent caseback, tachymeter bezel, steel bracelet, foldover clasp, and 50m water resistance. Its chronograph setup and legacy Moonwatch layout make it highly legible and versatile, and the bracelet with micro-adjust adds real everyday comfort. However, the manual-wind movement and 50m rating keep it in the realm of a careful daily sports watch rather than a no-fuss all-condition piece. The Breitling’s dial color is not yet listed, and lume is not listed either, but it does have a cambered sapphire crystal glareproofed on both sides, a screwed-in sapphire caseback, fixed bezel, folding clasp, 100m water resistance, and a curved alligator strap. The summary points to a clean bicompax layout and elegant, sporty character, but the leather strap and more fashion-forward presentation make it less universally practical than the Omega’s steel-bracelet setup. For pure everyday practicality, the Breitling wins on water resistance, while the Omega wins on documented legibility, lume, and strap/bracelet versatility. Overall, the Omega is the more complete daily-wear chronograph package as listed. Winner: Omega Speedmaster Moonwatch Professional Master Chronometer
The Omega carries a $9,000 MSRP and comes with one of the most recognizable heritage signals in modern watchmaking: the Speedmaster Moonwatch lineage, plus a Master Chronometer designation and a highly documented modern movement package. The Breitling is priced slightly higher at $9,950 MSRP and offers manufacture-caliber credibility, COSC certification, a longer power reserve, and a more bespoke vintage-inspired design language. Ownership practicality tilts toward the Omega because of its steel-bracelet setup, adjustable clasp, and more openly specified anti-magnetic/chronometer credentials; the Breitling’s leather strap and dressier positioning make it somewhat less all-purpose, though its 100m water resistance is a plus. Collector appeal is strong on both sides: the Omega for iconic status and modernized Moonwatch purity, the Breitling for restrained design, manual-wind charm, and a more distinctive color-forward identity. Given the lower MSRP and stronger heritage signal, the Omega offers the better value proposition in this comparison. Winner: Omega Speedmaster Moonwatch Professional Master Chronometer
Compared
AB0930D31L1P1
310.30.42.50.01.002