Description
Introduced as the complication flagship of the steel Nautilus family, the reference 5726/1A-001 marked Patek Philippe’s commitment to bringing haute horlogerie functions to Gérald Genta’s iconic porthole design. This 40.5mm steel iteration houses an annual calendar movement within the classic Nautilus architecture, requiring only one correction per year while displaying month, date, day, moon phases, and 24-hour indication across its distinctive grey dial. The 5726/1A-001 represents the intersection of sports watch accessibility and grand complication mastery, encased in brushed and polished stainless steel with Patek Philippe’s signature horizontal embossed pattern. Each grey dial bears the subtle gradation that has become synonymous with this reference, shifting from charcoal at the edges to lighter tones toward the center.
Key Features & Specifications
Annual Calendar Calibre 324 S QA LU 24H/303 — Self-winding movement with annual calendar displaying day, date, month, moon phases, and 24-hour indication, requiring adjustment only once yearly
40.5mm Steel Nautilus Case — Brushed and polished stainless steel construction with signature octagonal bezel and horizontally embossed case sides
Grey Sunburst Dial — Graduated grey dial with applied gold hour markers and white gold hands, featuring the characteristic horizontal embossed pattern
Integrated Steel Bracelet — Three-row steel bracelet with alternating brushed and polished links, secured by fold-over clasp with Patek Philippe seal
Transparent Sapphire Case Back — Exhibition case back revealing the decorated automatic movement with 21K gold micro-rotor
Complete Presentation Set — Accompanied by original wooden presentation box, certificate of origin, and instruction manual
Brand
Patek Philippe
Series
Nautilus
Model Number
5726/1A-001
Condition
Call for Enquiry
Box/Papers
Box & Papers
Case Material
Steel
Case Size
40.5 mm
Case Shape
Round
Case Back
Transparent
Crown
Screw Down
Bezel
Stainless Steel Domed
Movement
Automatic
Dial Color
Black
Dial Type
Analog
Date
6 o’clock
Dial Markers
Index
Band Material
Steel
Clasp
Deployment
Water Resistance
30 Meters (100 Feet)
Gender
Men’s
Watch Style
Dress Watch
About This Timepiece
Bracelet Sizing — Complimentary bracelet sizing included with every purchase. Contact us with your wrist measurement and we’ll have it ready before shipping.
Authenticity Guarantee — Every watch is thoroughly inspected and authenticated by our team of certified horologists. 100% authentic, guaranteed.
Warranty — New model watches include a 1-year mechanical warranty covering manufacturing defects. All watches include our confidence guarantee.
Shipping — Free insured overnight FedEx shipping on all orders. Fully insured, signature required, discreet packaging.
Contact Us
Questions about this timepiece? Our specialists are available to help.
Phone/Text: (310) 363-0481
Email: sales@jestikcollection.com
Jestik Collection is an independent luxury watch dealer and is not affiliated with Rolex S.A., Rolex USA, Patek Philippe, Audemars Piguet, Cartier, Omega, Tudor, or any brands listed.










