Five years after introducing the first perpetual calendar model to its elegant Slim d’Hermès collection in 2015, La Montre Hermès follows up that rose-gold-cased timepiece with two new models that marry precious-metal bezels ? one in 5N rose gold, the other in 950 platinum ? to bead-blasted grade 5 titanium cases. Here’s a closer look at this week’s Watch to Watch, the Slim d’Hermès Quantième Perpétuel.

Also new on these titanium-cased references are the anthracite-colored dials, which feature hour numerals in a distinctive, elegant font created by Parisian graphic designer Philippe Apeloig. The watch?s broad, harmoniously balanced dial has a four-year display that indicates months and leap years (at 9 o’clock), subdials for a dual-time/GMT function and date (at 6 o’clock and 12 o’clock, respectively), and a moon-phase indication with a white mother-of-pearl moon disk against an aventurine sky (at 3 o’clock). On the model with the platinum bezel, most of the baton hands are rhodiumed; on the model with rose-gold bezel, they are gold-plated. On both versions, the hour numerals are silver toned and the GMT hand is blue-lacquered.
The Slim d’ Hermès Quantième Perpétuel is outfitted with the Hermès Caliber 1950, produced by the Swiss movement specialists at Vaucher, in which Hermès holds an ownership stake. This version of the movement is also enhanced with a perpetual calendar from Jean-Marc Wiederre...