Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST vs Zenith Defy Inventor 32.9000.9100

In-Depth Comparison

The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST and the Zenith Defy Inventor 32.9000.9100 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

Audemars Piguet and Zenith are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Royal Oak reference was introduced in 2016, while this Defy reference debuted in 2019. The Zenith Defy Inventor 32.9000.9100 is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST beats the AP 3132 caliber offering a 65-hour power reserve running at 21,600 vph with 38 jewels. The Zenith Defy Inventor 32.9000.9100 is powered by the Zenith 9100 with a 50-hour power reserve operating at 28,800 vph featuring 32 jewels. The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST wins on power reserve with a 15-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST features a 41.0mm case at 10.4mm thick with a 47.0mm lug-to-lug measurement, crafted in Stainless Steel. The Zenith Defy Inventor 32.9000.9100 comes in at 44.0mm and 14.5mm thick with 50.0mm lug-to-lug, constructed from Titanium. The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 98g, the Zenith Defy Inventor 32.9000.9100 is the lighter of the two.

Materials And Construction

The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST uses a Sapphire crystal paired with a Fixed, octagonal with exposed screws bezel, while the Zenith Defy Inventor 32.9000.9100 features Sapphire crystal with a Fixed polished bezel. On the wrist, the Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST comes on a Stainless Steel integrated bracelet with AP folding clasp, while the Zenith Defy Inventor 32.9000.9100 is fitted with Rubber strap featuring Fold-over clasp.

Water Resistance And Capability

The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST is rated to 50m / 164ft and the Zenith Defy Inventor 32.9000.9100 to 100m / 328ft. For water sports and diving, the Zenith Defy Inventor 32.9000.9100 provides superior depth capability.

Pricing And Value

At retail, the Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST lists for $68,100 compared to $9,900 for the Zenith Defy Inventor 32.9000.9100. The Zenith Defy Inventor 32.9000.9100 is the more accessible option at MSRP, saving $58,200 at retail. On the secondary market, the Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST trades around $75,000 while the Zenith Defy Inventor 32.9000.9100 commands approximately $8,500. The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST trades at a 10% premium over retail, indicating strong demand and investment potential.

The Verdict

Choosing between the Audemars Piguet Royal Oak Double Balance Wheel Openworked 15407ST and the Zenith Defy Inventor 32.9000.9100 ultimately comes down to personal priorities. For value-conscious buyers, the Zenith Defy Inventor 32.9000.9100 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.