Audemars Piguet Royal Oak Perpetual Calendar 26574ST vs Patek Philippe Nautilus 5990/1A-011

SpecificationAudemars Piguet Royal Oak Perpetual Calendar 26574STPatek Philippe Nautilus 5990/1A-011
BrandAudemars PiguetPatek Philippe
CollectionRoyal OakNautilus
Reference26574ST.OO.1220ST.015990/1A-011
CategoryPerpetual CalendarChronograph
Movement TypeAutomaticAutomatic
CaliberAP 5134Patek Philippe CH 28-520 C FUS
Power Reserve40h55h
Frequency19,800 vph28,800 vph
Case Diameter41.0mm40.5mm
Case Thickness9.5mm12.0mm
Case MaterialStainless SteelStainless Steel
CrystalSapphireSapphire
Water Resistance20m / 66ft120m / 394ft
Weight160g150g
MSRP$73,200$74,000
Market Price$105,000$150,000

In-Depth Comparison

The Audemars Piguet Royal Oak Perpetual Calendar 26574ST and the Patek Philippe Nautilus 5990/1A-011 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 Patek Philippe 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 2015, while this Nautilus reference debuted in 2023. The Patek Philippe Nautilus 5990/1A-011 is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Audemars Piguet Royal Oak Perpetual Calendar 26574ST beats the AP 5134 caliber offering a 40-hour power reserve running at 19,800 vph with 38 jewels. The Patek Philippe Nautilus 5990/1A-011 is powered by the Patek Philippe CH 28-520 C FUS with a 55-hour power reserve operating at 28,800 vph featuring 36 jewels. The Patek Philippe Nautilus 5990/1A-011 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 Perpetual Calendar 26574ST features a 41.0mm case at 9.5mm thick with a 47.0mm lug-to-lug measurement, crafted in Stainless Steel. The Patek Philippe Nautilus 5990/1A-011 comes in at 40.5mm and 12.0mm thick with 45.0mm lug-to-lug, constructed from Stainless Steel. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 150g, the Patek Philippe Nautilus 5990/1A-011 is the lighter of the two.

Materials And Construction

The Audemars Piguet Royal Oak Perpetual Calendar 26574ST uses a Sapphire crystal paired with a Fixed, octagonal with exposed screws bezel, while the Patek Philippe Nautilus 5990/1A-011 features Sapphire crystal with a Fixed, integrated octagonal bezel. On the wrist, the Audemars Piguet Royal Oak Perpetual Calendar 26574ST comes on a Stainless Steel integrated bracelet with AP folding clasp, while the Patek Philippe Nautilus 5990/1A-011 is fitted with Stainless Steel integrated bracelet featuring Fold-over clasp.

Water Resistance And Capability

The Audemars Piguet Royal Oak Perpetual Calendar 26574ST is rated to 20m / 66ft and the Patek Philippe Nautilus 5990/1A-011 to 120m / 394ft. For water sports and diving, the Patek Philippe Nautilus 5990/1A-011 provides superior depth capability.

Pricing And Value

At retail, the Audemars Piguet Royal Oak Perpetual Calendar 26574ST lists for $73,200 compared to $74,000 for the Patek Philippe Nautilus 5990/1A-011. On the secondary market, the Audemars Piguet Royal Oak Perpetual Calendar 26574ST trades around $105,000 while the Patek Philippe Nautilus 5990/1A-011 commands approximately $150,000. The Audemars Piguet Royal Oak Perpetual Calendar 26574ST trades at a 43% premium over retail, indicating strong demand and investment potential. The Patek Philippe Nautilus 5990/1A-011 carries a 103% market premium.

The Verdict

Choosing between the Audemars Piguet Royal Oak Perpetual Calendar 26574ST and the Patek Philippe Nautilus 5990/1A-011 ultimately comes down to personal priorities. As an investment piece, the Audemars Piguet Royal Oak Perpetual Calendar 26574ST has proven market demand. 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.