Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA vs Omega Speedmaster Moonwatch Caliber 321 Steel

In-Depth Comparison

The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA and the Omega Speedmaster Moonwatch Caliber 321 Steel 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

Blancpain and Omega are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Fifty Fathoms reference was introduced in 2017, while this Speedmaster reference debuted in 2020. The Omega Speedmaster Moonwatch Caliber 321 Steel is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA beats the Caliber 1315 caliber offering a 120-hour power reserve running at 28,800 vph with 35 jewels. The Omega Speedmaster Moonwatch Caliber 321 Steel is powered by the Omega 321 with a 55-hour power reserve operating at 21,600 vph featuring 17 jewels. The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA wins on power reserve with a 65-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA features a 40.0mm case at 13.2mm thick with a 47.0mm lug-to-lug measurement, crafted in Stainless Steel. The Omega Speedmaster Moonwatch Caliber 321 Steel comes in at 39.7mm and 13.1mm thick with 46.0mm lug-to-lug, constructed from Stainless Steel. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 110g, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA is the lighter of the two.

Materials And Construction

The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA uses a Sapphire with anti-reflective coating crystal paired with a Unidirectional rotating, ceramic insert bezel, while the Omega Speedmaster Moonwatch Caliber 321 Steel features Sapphire with anti-reflective coating crystal with a Fixed, polished black ceramic with white enamel tachymeter bezel. On the wrist, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA comes on a Black NATO-style sail canvas strap with Stainless steel pin buckle, while the Omega Speedmaster Moonwatch Caliber 321 Steel is fitted with Stainless steel bracelet featuring Deployant clasp.

Water Resistance And Capability

The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA is rated to 300m / 984ft and the Omega Speedmaster Moonwatch Caliber 321 Steel to 50m / 164ft. For serious diving or water activities, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA offers a meaningful advantage.

Pricing And Value

At retail, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA lists for $14,200 compared to $14,100 for the Omega Speedmaster Moonwatch Caliber 321 Steel. On the secondary market, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA trades around $16,000 while the Omega Speedmaster Moonwatch Caliber 321 Steel commands approximately $13,500. The Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA trades at a 13% premium over retail, indicating strong demand and investment potential.

The Verdict

Choosing between the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA and the Omega Speedmaster Moonwatch Caliber 321 Steel ultimately comes down to personal priorities. For diving and water sports, the Blancpain Fifty Fathoms MIL-SPEC 5008-1130-NABA is the stronger choice. for dress occasions and smaller wrists, the Omega Speedmaster Moonwatch Caliber 321 Steel 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.