A. Lange & Söhne Datograph Up/Down 405.031 vs Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687

In-Depth Comparison

The A. Lange & Söhne Datograph Up/Down 405.031 and the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 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

A. Lange & Söhne and Vacheron Constantin are both highly respected names in watchmaking. The A. Lange & Söhne Datograph Up/Down 405.031 comes from Germany, while the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 originates from Switzerland. This particular Datograph reference was introduced in 2012, while this Patrimony reference debuted in 2012.

Movement And Mechanics

At the heart of the A. Lange & Söhne Datograph Up/Down 405.031 beats the Caliber L951.6 caliber offering a 60-hour power reserve running at 18,000 vph with 40 jewels. The Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 is powered by the Caliber 1120 QP with a 40-hour power reserve operating at 19,800 vph featuring 36 jewels. The A. Lange & Söhne Datograph Up/Down 405.031 wins on power reserve with a 20-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The A. Lange & Söhne Datograph Up/Down 405.031 features a 41.0mm case at 13.1mm thick with a 48.0mm lug-to-lug measurement, crafted in Platinum 950. The Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 comes in at 41.0mm and 8.9mm thick with 48.0mm lug-to-lug, constructed from 18k Rose Gold. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 85g, the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 is the lighter of the two.

Materials And Construction

The A. Lange & Söhne Datograph Up/Down 405.031 uses a Sapphire with anti-reflective coating crystal paired with a Fixed, polished bezel, while the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 features Sapphire with anti-reflective coating crystal with a Fixed, polished bezel. On the wrist, the A. Lange & Söhne Datograph Up/Down 405.031 comes on a Black alligator leather strap with Platinum folding clasp, while the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 is fitted with Dark brown alligator leather strap featuring 18k rose gold folding clasp.

Water Resistance And Capability

The A. Lange & Söhne Datograph Up/Down 405.031 is rated to 30m / 98ft and the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 to 30m / 98ft. Both watches share the same water resistance rating, making them equally suited for aquatic activities.

Pricing And Value

At retail, the A. Lange & Söhne Datograph Up/Down 405.031 lists for $90,900 compared to $89,500 for the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687. The Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 is the more accessible option at MSRP, saving $1,400 at retail. On the secondary market, the A. Lange & Söhne Datograph Up/Down 405.031 trades around $100,000 while the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 commands approximately $78,000. The A. Lange & Söhne Datograph Up/Down 405.031 trades at a 10% premium over retail, indicating strong demand and investment potential.

The Verdict

Choosing between the A. Lange & Söhne Datograph Up/Down 405.031 and the Vacheron Constantin Patrimony Perpetual Calendar 43175/000R-9687 ultimately comes down to personal priorities. 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.