Omega Speedmaster Moonphase 304.33.44.52.03.001 vs Rolex GMT-Master II Pepsi Oyster 126710BLRO

SpecificationOmega Speedmaster Moonphase 304.33.44.52.03.001Rolex GMT-Master II Pepsi Oyster 126710BLRO
BrandOmegaRolex
CollectionSpeedmasterGMT-Master II
Reference304.33.44.52.03.001126710BLRO
CategoryChronographGMT
Movement TypeAutomaticAutomatic
CaliberOmega 9904Rolex 3285
Power Reserve60h70h
Frequency28,800 vph28,800 vph
Case Diameter44.2mm40.0mm
Case Thickness17.0mm12.1mm
Case MaterialStainless SteelOystersteel
CrystalSapphireSapphire with Cyclops
Water Resistance100m / 328ft100m / 328ft
Weight126g155g
MSRP$11,600$11,350
Market Price$10,000$17,000

In-Depth Comparison

The Omega Speedmaster Moonphase 304.33.44.52.03.001 and the Rolex GMT-Master II Pepsi Oyster 126710BLRO 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 Rolex are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Speedmaster reference was introduced in 2016, while this GMT-Master II reference debuted in 2019. The Rolex GMT-Master II Pepsi Oyster 126710BLRO is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Omega Speedmaster Moonphase 304.33.44.52.03.001 beats the Omega 9904 caliber offering a 60-hour power reserve running at 28,800 vph with 44 jewels. The Rolex GMT-Master II Pepsi Oyster 126710BLRO is powered by the Rolex 3285 with a 70-hour power reserve operating at 28,800 vph featuring 31 jewels. The Rolex GMT-Master II Pepsi Oyster 126710BLRO wins on power reserve with a 10-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Omega Speedmaster Moonphase 304.33.44.52.03.001 features a 44.2mm case at 17.0mm thick with a 51.0mm lug-to-lug measurement, crafted in Stainless Steel. The Rolex GMT-Master II Pepsi Oyster 126710BLRO comes in at 40.0mm and 12.1mm thick with 47.5mm lug-to-lug, constructed from Oystersteel. The Rolex GMT-Master II Pepsi Oyster 126710BLRO wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 126g, the Omega Speedmaster Moonphase 304.33.44.52.03.001 is the lighter of the two.

Materials And Construction

The Omega Speedmaster Moonphase 304.33.44.52.03.001 uses a Sapphire crystal paired with a Fixed tachymeter bezel, while the Rolex GMT-Master II Pepsi Oyster 126710BLRO features Sapphire with Cyclops crystal with a Bidirectional rotating Cerachrom Blue-Red bezel. On the wrist, the Omega Speedmaster Moonphase 304.33.44.52.03.001 comes on a Leather strap with Deployant buckle, while the Rolex GMT-Master II Pepsi Oyster 126710BLRO is fitted with Oyster bracelet featuring Oysterlock clasp with Easylink.

Water Resistance And Capability

The Omega Speedmaster Moonphase 304.33.44.52.03.001 is rated to 100m / 328ft and the Rolex GMT-Master II Pepsi Oyster 126710BLRO to 100m / 328ft. Both watches share the same water resistance rating, making them equally suited for aquatic activities.

Pricing And Value

At retail, the Omega Speedmaster Moonphase 304.33.44.52.03.001 lists for $11,600 compared to $11,350 for the Rolex GMT-Master II Pepsi Oyster 126710BLRO. On the secondary market, the Omega Speedmaster Moonphase 304.33.44.52.03.001 trades around $10,000 while the Rolex GMT-Master II Pepsi Oyster 126710BLRO commands approximately $17,000. The Rolex GMT-Master II Pepsi Oyster 126710BLRO carries a 50% market premium.

The Verdict

Choosing between the Omega Speedmaster Moonphase 304.33.44.52.03.001 and the Rolex GMT-Master II Pepsi Oyster 126710BLRO ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Rolex GMT-Master II Pepsi Oyster 126710BLRO is more versatile. as an investment, the Rolex GMT-Master II Pepsi Oyster 126710BLRO shows strong value retention. 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.