Cartier CPCP Tortue Day & Night XL W1553651

Opening Context
The Tortue is one of Cartier’s earliest shaped watches, introduced in 1912 and defined by its distinctive tonneau form—somewhere between round and rectangular, but entirely its own. Within the CPCP (Collection Privée Cartier Paris) era, Cartier revisited these historic designs with a renewed focus on mechanical watchmaking, pairing classical aesthetics with high-quality, often manufacture movements. The Tortue Day & Night XL sits firmly within this period, combining heritage design with a complication that feels both poetic and practical.

Why This Reference Matters
The W1553651 stands out for how it integrates a second time zone into a classical Cartier framework. The day and night indicator at 6 o’clock, with its rotating sun and moon disc, serves both as a visual focal point and a functional display of a second time zone through the inner 12-hour scale. The silver guilloché dial, black Roman numerals, and blued steel hands remain faithful to Cartier’s design codes, ensuring the complication never overwhelms the watch’s elegance. Inside, the manually wound calibre 9904 MC offers a substantial 72-hour power reserve and reflects the CPCP philosophy of pairing historic design with serious mechanical content.

On the Wrist
At 38mm by 48mm, the Tortue XL wears with presence, but its curved case ensures it sits naturally along the wrist. The white gold case gives it a quiet weight and a more discreet tone compared to yellow or rose gold, allowing the dial details to stand out. On a black leather strap with deployant clasp, it feels balanced and refined. The elongated case shape and the animated day/night display give the watch a sense of movement, even when at rest.

Condition & Transparency
This example features a 38mm × 48mm 18K white gold Tortue case with silver guilloché dial, black Roman numerals, blued steel hands, and day & night indicator with rotating sun and moon disc at 6 o’clock for second time zone functionality. It is fitted to a black leather strap secured by an 18K white gold deployant clasp and powered by the manually wound Cartier calibre 9904 MC with approximately 72 hours of power reserve. As always, details regarding condition, service history, and set completeness should be communicated clearly based only on confirmed information.

Why It Belongs in a Collection
The CPCP Tortue Day & Night belongs in a collection that values Cartier at its most thoughtful and mechanically engaged. It offers more than design alone, combining historical form with a complication that adds both function and visual interest. For collectors drawn to shaped watches and to the CPCP era in particular, it represents one of the more distinctive and complete references.

Closing
The Tortue Day & Night XL is compelling because it captures Cartier at a moment when heritage and horology were brought into careful balance. With its sculptural case, elegant dial, and poetic complication, it remains a refined and quietly expressive piece within the CPCP lineage.

Specifications

• Case Size: 38mm x 48mm
  
• Case Material: 18K White Gold
  
• Dial: Silver Guilloché Dial with Black Roman Numeral Hour Markers, Blued Steel Hands, Day & Night Indicator with Rotating Sun and Moon Disc at 6 (Second Time Zone), Inner 12-Hour Scale
  
• Strap: Black Leather Strap with 18K White Gold Deployant Clasp
  
• Power Reserve: Approximately 72 Hours
  
• Movement: Manual-Winding (Calibre 9904 MC)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.