Swiss luxury watch maker LA MONTRE HERMÈS enhances its Slim d’Hermès collection by unveiling a new entirely in-house crafted perpetual calendar model in platinum.
The apparent simplicity of the all-blue-clad Slim d’Hermès Quantième Perpétuel Platine immediately draws the gaze. The numerals with their font specially designed for the Slim collection stand out with light and airy grace.
While the date, month, dual-time and leap year indications are displayed on various counters, a mother-of-pearl moon phase graces an aventurine sky backdrop at 3 o’clock. The elegant and graphic dial melts seamlessly into the surrounding precious platinum case.

The remarkably technical ultra-thin Manufacture H1950 movement is equipped with one of the most demanding horological complications: a perpetual calendar. This authentic ‘mechanical memory’ ensures that the date of months with 30 and 31 days is automatically adjusted, while taking account of leap years by indicating February 29th every four years without any need for corrections.

Adorned with a ‘sprinkling of Hs’ and meticulously hand-bevelled, the movement also powers day/night, dual-time and moon-phase indications within a composition measuring just 4 mm thick. This impressive demonstration of horological expertise may be admired through the sapphire crystal case-back.

With its new Slim Quantième Perpétuel Platine, Hermès unites the full spectrum of watchmaking skills. Its gleaming platinum exterior provides a perfect setting for mechanical complications to rub shoulders with the skill of case and dial-making artisans, while an Abyss blue alligator strap reflecting impeccable leather craftsmanship sets the perfect finishing touch.

Technical details
Model: HERMÈS Slim d’Hermès Quantième Perpétuel Platine
Movement
Mechanical self-winding movement, crafted in Switzerland. Manufacture ultra-thin H1950 movement
Module Agenhor
Diameter: 30 mm (13 ¼’’’)
Thickness: 2.6 mm (movement) + 1.4 mm (module)
Power Reserve: 42 hours
Jewelling: 29 jewels (movement) + 3 jewels (module)
Frequency 21’600 vibrations per hours / 3H
Decoration: Bridges hand-bevelled and adorned with ‘sprinkling of Hs’
Distinctive feature: Micro-rotor
Functions
Hours, minutes, moon phases, second time zone, day/night indication, perpetual calendar
Case
Round, 39.5 mm diameter
Material: Platinum
Crystal: Sapphire crystal and case-back with anti-glare treatment
Water-resistance: To 3 bar
Dial
Blue, silver-toned transferred Arabic numerals
Mother-of-pearl moon against an aventurine glass sky
Strap
Abyss blue alligator