Crafted in blue ceramic, the Royal Oak Perpetual Calendar in 41mm features a matching blue Grande Tapisserie dial, glare-proof sapphire crystal and caseback along with a screw-locked crown. Price upon request.
2. A. Lange & Söhne

Limited to 100 pieces, this Langematik Perpetual in 18k honey gold features a dial crafted from solid silver, a dark brown alligator leather strap with a honey gold buckle, and sapphire glass case back. Price upon request.
The last emperor of China’s Patek Philippe watch is going up for auction
3. Piaget
An adaptation of the famous Polo watch, this sporty timepiece has a diameter of 45mm, a titanium case and gadroons in 18k rose gold, along with matching 18k rose gold luminescent hour-markers fitted with the 855P self-winding movement, and a perpetual calendar with retrograde day and date displays. Price upon request.4. H. Moser & Cie

On top of the instantaneous date change function, the Streamliner Perpetual Calendar in steel has a signature Fumé dial and Globolight inserts to complete the luxury watchmaker’s understated aesthetic. Price upon request.
5. Jaeger-LeCoultre
Powered by the new calibre 868AA, the Polaris Perpetual Calendar redefines the modern sporty-elegant wristwatch with its gradient-blue lacquer dial and highly legible display of calendar indications and moon phases. Price upon request.ncG1vNJzZmivp6x7tK%2FMqWWcp51kuqKzwLOgp52jZMC1xcueZqWtqKq%2FunvAq6uim5yafHR%2BkG1rbWlfanqjsdKtZKWtqKq%2FunnToqSeqJmasKa%2FjKmcq6iVqcKiuIycmKWdnpmus3nFrqWcrJmku7R5wK6bnqWRp8BuvMigrJ6so2K%2FsMXApWSomZtirq%2BwjKOYnp%2BVpw%3D%3D