5212A-001 | Stainless Steel

Patek Philippe
Out of stock
Ref. No.
5212A-001

Embrace precision with the Patek Philippe Ref. 5212A-001, a stainless steel Calatrava Weekly Calendar displaying the week number, day, and date.

Embrace Innovation and Functionality

The Patek Philippe Complications Ref. 5212A-001 is a bold new addition to the brand’s legendary collection of Calatrava watches. This timepiece introduces the weekly calendar complication, displaying the week number alongside the day and date, making it an ideal companion for the modern professional. Encased in stainless steel, it features an exclusive dial with handwritten-style characters, enhancing its unique design. Powered by a completely new self-winding movement, this watch combines advanced performance with timeless elegance.

Movement and Complications

At the heart of the Ref. 5212A-001 is the Caliber 26-330 S C J SE, a self-winding movement that powers the weekly calendar, date, and sweep seconds hand. The week number and day are displayed via hands, while the date appears in an aperture, making it easy to read at a glance. The movement offers a power reserve of 35 to 45 hours and is equipped with a 21K gold central rotor for efficient, unidirectional winding. With 50 jewels and a Spiromax® balance spring, this movement ensures precision and long-lasting reliability.

Dial and Design Details

The silvery opaline dial of the Ref. 5212A-001 features blackened gold applied hour markers for a striking contrast against the soft background. The handwritten-style numerals and letters provide a distinctive and refined touch, making the dial stand out with its elegant yet functional design. The sweep seconds hand enhances the dial’s visual appeal, while the week number and date are clearly displayed in a layout that is both practical and aesthetically pleasing.

Case and Dimensions

The 40mm round stainless steel case of the Ref. 5212A-001 is robust and refined, offering a balanced presence on the wrist. The case thickness of 10.79mm ensures a sleek profile without sacrificing durability. The sapphire crystal case back allows for a clear view of the intricate movement, showcasing Patek Philippe’s dedication to craftsmanship and precision.

Strap and Wearability

Paired with a hand-stitched, light brown calfskin strap, the Ref. 5212A-001 offers both comfort and elegance. The strap features a prong buckle, ensuring a secure and customizable fit. This watch is designed for everyday wear, combining practical features with a refined aesthetic that suits any occasion.

Case Back and Mechanical Details


Through the sapphire crystal case back, the self-winding Caliber 26-330 S C J SE movement is clearly visible, showcasing the intricate craftsmanship of Patek Philippe. The movement's Gyromax® balance and Spiromax® balance spring ensure exceptional accuracy, while the 21K gold central rotor provides efficient energy transfer. With 304 parts and 50 jewels, this movement exemplifies the brand's commitment to both innovation and precision.

Brand Philosophy and Legacy
Patek Philippe has been a symbol of luxury, innovation, and craftsmanship for over 175 years. The Ref. 5212A-001 continues this legacy with its combination of practical complications and exquisite design. This watch represents the brand’s pursuit of excellence and timelessness, making it a highly desirable piece for collectors and enthusiasts alike.

A New Standard of Luxury and Functionality
The Patek Philippe Complications Ref. 5212A-001 is the ultimate fusion of innovation and elegance. Whether worn as a daily companion or a collector's treasure, this watch brings a new level of sophistication to your wrist. Explore the Patek Philippe collection at Jewels By Love, your trusted authorized Patek Philippe retailer, and discover a new era of luxury and precision.

Product Specifications
Brand Patek Philippe
Case Metal Steel
Watch Info Self-winding mechanical movement. Caliber 26‑330 S C J SE. Weekly calendar. Day and week number by hands. Date in an aperture. Sweep seconds hand.
Caliber 26-330 S C J SE SELF-WINDING. Weekly calendar. Date. Sweep seconds hand. Diameter: 27 mm. Height: 4.82 mm. Parts: 304. Jewels: 50. Power reserve: min. 35 hours – max. 45 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Semi-oscillation/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.
Case Length (mm) 40
Diameter (mm) 40
Case Shape Round
Strap Calfskin, hand-stitched, light brown. Prong buckle.
Dial Info Silvery opaline, blackened gold applied hour markers.
Water Resistance (m) 30
Case Back Material Sapphire Crystal
Exhibition Back Yes
Case Thickness (mm) 10.79


Patek Philippe

Since 1839, Patek Philippe has been perpetuating the tradition of Genevan watchmaking. As the last family-owned independent watch manufacturer in Geneva, Patek Philippe enjoys total creative freedom to entirely design, produce and assemble what experts agree to be the finest timepieces in the world.