Description
Behind the striking blue dial and 45mm rose gold case lies Patek Philippe’s caliber CH 28-520 C, a sophisticated self-winding movement that drives the date display and sweep seconds of this Cubitus reference 5821/1AR-001. The angular, cushion-inspired case represents Patek’s bold departure from traditional round forms, executed in a two-tone construction that pairs rose gold with steel accents. This unworn example showcases the manufacture’s contemporary design language while maintaining the mechanical excellence expected from Geneva’s most prestigious independent watchmaker. The Cubitus collection’s distinctive architecture, with its ergonomic case geometry and integrated bracelet, signals Patek Philippe’s vision for modern luxury sports watches.
Key Features & Specifications
Caliber CH 28-520 C Movement — Self-winding mechanism with central sweep seconds and instantaneous date change, featuring Patek Philippe’s Gyromax balance and Spiromax hairspring for superior chronometric performance
45mm Rose Gold Case — Substantial cushion-shaped case in 18K rose gold with polished and satin-finished surfaces, water-resistant to 30 meters and fitted with sapphire crystal front and back
Sunburst Blue Dial — Deep blue lacquered surface with applied gold hour markers and luminous hands, complemented by a date window positioned at 3 o’clock
Integrated Bracelet Design — Seamless two-tone construction combining rose gold center links with brushed steel outer links, secured by Patek Philippe’s fold-over clasp
Cubitus Collection Architecture — Modern interpretation of luxury sports watch design with distinctive case angles and proportions that balance contemporary aesthetics with traditional Swiss watchmaking
Reference 5821/1AR-001 Specifications — Official Patek Philippe designation for this specific blue dial, rose gold and steel configuration in unworn condition with full manufacturer presentation
Manufacture Pedigree — Produced in Patek Philippe’s Geneva workshops with the brand’s hallmark attention to finishing, adjustment, and quality control standards established over 180 years
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.



