Omega Speedmaster Racing Co-Axial Master Chronometer vs Omega Speedmaster X-33 Marstimer

SpecificationOmega Speedmaster Racing Co-Axial Master ChronometerOmega Speedmaster X-33 Marstimer
BrandOmegaOmega
CollectionSpeedmasterSpeedmaster
Reference329.30.44.51.01.002318.92.45.79.01.003
CategoryRacingPilot
Movement TypeAutomaticQuartz
CaliberOmega 9900Omega 5622
Power Reserve60hN/A
Frequency28,800 vphN/A
Case Diameter44.3mm45.0mm
Case Thickness16.2mm14.6mm
Case MaterialStainless SteelGrade 2 Titanium
CrystalSapphire with anti-reflective coatingSapphire with anti-reflective coating
Water Resistance100m / 328ft30m / 98ft
Weight185g108g
MSRP$8,100$6,050
Market Price$5,900$5,500

In-Depth Comparison

The Omega Speedmaster Racing Co-Axial Master Chronometer and the Omega Speedmaster X-33 Marstimer represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Omega and Omega is a brand that needs no introduction. Comparing two models from the same manufacturer comes down to purpose, design philosophy, and intended use case. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Speedmaster reference was introduced in 2023, while this Speedmaster reference debuted in 2022. The Omega Speedmaster Racing Co-Axial Master Chronometer is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Omega Speedmaster Racing Co-Axial Master Chronometer beats the Omega 9900 caliber offering a 60-hour power reserve running at 28,800 vph with 33 jewels. The Omega Speedmaster X-33 Marstimer is powered by the Omega 5622.

Dimensions And Wearability

The Omega Speedmaster Racing Co-Axial Master Chronometer features a 44.3mm case at 16.2mm thick with a 51.0mm lug-to-lug measurement, crafted in Stainless Steel. The Omega Speedmaster X-33 Marstimer comes in at 45.0mm and 14.6mm thick with 51.0mm lug-to-lug, constructed from Grade 2 Titanium. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 108g, the Omega Speedmaster X-33 Marstimer is the lighter of the two.

Materials And Construction

The Omega Speedmaster Racing Co-Axial Master Chronometer uses a Sapphire with anti-reflective coating crystal paired with a Fixed, black aluminum tachymeter bezel, while the Omega Speedmaster X-33 Marstimer features Sapphire with anti-reflective coating crystal with a Fixed, titanium bezel. On the wrist, the Omega Speedmaster Racing Co-Axial Master Chronometer comes on a Stainless steel bracelet with Folding clasp with pushers, while the Omega Speedmaster X-33 Marstimer is fitted with Grade 2 titanium bracelet featuring Folding clasp with pushers.

Water Resistance And Capability

The Omega Speedmaster Racing Co-Axial Master Chronometer is rated to 100m / 328ft and the Omega Speedmaster X-33 Marstimer to 30m / 98ft. For serious diving or water activities, the Omega Speedmaster Racing Co-Axial Master Chronometer offers a meaningful advantage.

Pricing And Value

At retail, the Omega Speedmaster Racing Co-Axial Master Chronometer lists for $8,100 compared to $6,050 for the Omega Speedmaster X-33 Marstimer. The Omega Speedmaster X-33 Marstimer is the more accessible option at MSRP, saving $2,050 at retail. On the secondary market, the Omega Speedmaster Racing Co-Axial Master Chronometer trades around $5,900 while the Omega Speedmaster X-33 Marstimer commands approximately $5,500.

The Verdict

Choosing between the Omega Speedmaster Racing Co-Axial Master Chronometer and the Omega Speedmaster X-33 Marstimer ultimately comes down to personal priorities. For value-conscious buyers, the Omega Speedmaster X-33 Marstimer delivers excellent quality at a lower price point. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.