Vacheron Constantin
Patrimony Perpetual Calendar Ultra-Thin
43175/000R-9687
Perpetual mastery distilled into 41 mm of pink gold elegance
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Overview
The Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin reference 43175/000R-9687 unites one of horology's most demanding complications with the restrained, architecturally pure aesthetic that defines the Patrimony line. Housed in a 41 mm 18k pink gold case, the watch is powered by Calibre 1120 QP, a movement celebrated for its exceptional thinness and mechanical refinement. A silvered opaline dial organises the perpetual calendar's sub-dials and moon-phase display with characteristic Genevan clarity.
History
The Patrimony collection has long served as Vacheron Constantin's expression of stripped-back, classical watchmaking, tracing its design language back to the clean dress watches the manufacture produced through the mid-twentieth century. The 1120 QP calibre is derived from the ultra-thin base movement jointly developed with Jaeger-LeCoultre and IWC — known in the industry as the 2120/2800 family — making it one of the thinnest self-winding perpetual calendar movements ever produced. Reference 43175/000R-9687 entered the collection in 2011, bringing the perpetual calendar complication into the modern Patrimony idiom with a case size suited to contemporary wearing preferences. Its continued production reflects the enduring appeal of this particular combination of complication, proportion, and precious-metal execution.
Notable points
- Calibre 1120 QP is among the thinnest automatic perpetual calendar movements in existence, a direct consequence of its ultra-thin 2120 base architecture.
- The 18k pink gold case measures 41 mm in diameter, a scale that balances legibility with the slim profile demanded by the movement beneath.
- The silvered opaline dial employs a restrained sub-dial layout for date, day, month, and moon phase, keeping the perpetual calendar information readable without visual clutter.
- Pink gold's warm tone creates a deliberate chromatic harmony with the silvered dial, a pairing long favoured in Genevan dress-watch tradition.
- Membership in the Patrimony line places this reference within Vacheron Constantin's most architecturally disciplined collection, defined by thin bezels, minimal indices, and an absence of decorative excess.
Specifications
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