Omega Speedmaster 38 Co-Axial Chronograph vs Omega Speedmaster Moonwatch Professional Sapphire

SpecificationOmega Speedmaster 38 Co-Axial ChronographOmega Speedmaster Moonwatch Professional Sapphire
BrandOmegaOmega
CollectionSpeedmasterSpeedmaster
Reference324.30.38.50.02.001310.30.42.50.01.002
CategoryChronographChronograph
Movement TypeAutomaticManual
CaliberOmega 3330Omega 3861
Power Reserve52h50h
Frequency28,800 vph21,600 vph
Case Diameter38.0mm42.0mm
Case Thickness14.7mm13.2mm
Case MaterialStainless SteelStainless Steel
CrystalSapphire with anti-reflective coatingSapphire with anti-reflective coating (both sides)
Water Resistance100m / 328ft50m / 164ft
Weight120g150g
MSRP$5,600$7,100
Market Price$3,800$6,200

In-Depth Comparison

The Omega Speedmaster 38 Co-Axial Chronograph and the Omega Speedmaster Moonwatch Professional Sapphire 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 2017, while this Speedmaster reference debuted in 2021. The Omega Speedmaster Moonwatch Professional Sapphire is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Omega Speedmaster 38 Co-Axial Chronograph beats the Omega 3330 caliber offering a 52-hour power reserve running at 28,800 vph with 26 jewels. The Omega Speedmaster Moonwatch Professional Sapphire is powered by the Omega 3861 with a 50-hour power reserve operating at 21,600 vph featuring 26 jewels. The Omega Speedmaster 38 Co-Axial Chronograph wins on power reserve with a 2-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Omega Speedmaster 38 Co-Axial Chronograph features a 38.0mm case at 14.7mm thick with a 43.5mm lug-to-lug measurement, crafted in Stainless Steel. The Omega Speedmaster Moonwatch Professional Sapphire comes in at 42.0mm and 13.2mm thick with 47.0mm lug-to-lug, constructed from Stainless Steel. The Omega Speedmaster 38 Co-Axial Chronograph wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 120g, the Omega Speedmaster 38 Co-Axial Chronograph is the lighter of the two.

Materials And Construction

The Omega Speedmaster 38 Co-Axial Chronograph uses a Sapphire with anti-reflective coating crystal paired with a Fixed, stainless steel with tachymeter bezel, while the Omega Speedmaster Moonwatch Professional Sapphire features Sapphire with anti-reflective coating (both sides) crystal with a Fixed, black ceramic tachymeter with white enamel bezel. On the wrist, the Omega Speedmaster 38 Co-Axial Chronograph comes on a Stainless steel bracelet with Folding clasp with pushers, while the Omega Speedmaster Moonwatch Professional Sapphire is fitted with Stainless steel bracelet featuring Deployant clasp with pushers.

Water Resistance And Capability

The Omega Speedmaster 38 Co-Axial Chronograph is rated to 100m / 328ft and the Omega Speedmaster Moonwatch Professional Sapphire to 50m / 164ft. For serious diving or water activities, the Omega Speedmaster 38 Co-Axial Chronograph offers a meaningful advantage.

Pricing And Value

At retail, the Omega Speedmaster 38 Co-Axial Chronograph lists for $5,600 compared to $7,100 for the Omega Speedmaster Moonwatch Professional Sapphire. The Omega Speedmaster 38 Co-Axial Chronograph is the more accessible option at MSRP, saving $1,500 at retail. On the secondary market, the Omega Speedmaster 38 Co-Axial Chronograph trades around $3,800 while the Omega Speedmaster Moonwatch Professional Sapphire commands approximately $6,200.

The Verdict

Choosing between the Omega Speedmaster 38 Co-Axial Chronograph and the Omega Speedmaster Moonwatch Professional Sapphire ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Omega Speedmaster 38 Co-Axial Chronograph is more versatile. 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.