Arceau L'Heure De La Lune Yellow Gold 43 mm

Description of the Watch

The Hermès Arceau L'Heure De La Lune, reference W403097WW00, is a poetic and technical marvel that reimagines traditional moon phase complications. Set in a 43 mm 750/1000 yellow gold case, this exceptional timepiece features a celestial dumortierite dial with two gradient blue lacquered mobile counters. Powered by the Hermès H1837 Manufacture movement and the L'Heure De La Lune module, it offers a dreamlike interpretation of lunar cycles seen from both the northern and southern hemispheres.

Overview

The Arceau L'Heure De La Lune represents Hermès' unique vision of time, blending high horology with artistic craftsmanship. It delivers an immersive and enchanting view of the sky while showcasing masterful mechanical engineering.

Design and Craftsmanship

The case is crafted from 18 ct yellow gold, offering timeless luxury and warmth. The dial is made of dumortierite, a deep, celestial blue stone that enhances the cosmic theme, while two mobile gradient blue lacquered counters—displaying the hours, minutes, and a second function—gracefully orbit the dial to reveal the moon phases for both hemispheres. The continents and moons are depicted with intricate detail. Protected by an anti-reflective sapphire crystal and a sapphire caseback, this watch is completed with an abyss blue matte alligator leather strap and a matching yellow gold folding clasp.

Movement and Performance

At the heart of the timepiece beats the Hermès H1837 Manufacture movement, equipped with the innovative L'Heure De La Lune module. This self-winding mechanical caliber offers an average power reserve of approximately 45 hours and ensures the seamless, magical display of lunar and time functions.

Features and Complications

• Hours and minutes displayed on mobile counters

• Double moon phase display: simultaneous depiction of the moon as seen from the northern and southern hemispheres

• Water resistance up to 3 bar (30 meters)

• A long-size, single-turn abyss blue matte alligator strap for a refined and luxurious fit

Specifications

Case

• Material: 750/1000 Yellow gold

• Diameter: 43 mm

• Crystal: Anti-reflective sapphire crystal and sapphire caseback

• Water Resistance: 3 bar / 30 meters (Note: leather strap should avoid water contact)

Dial

• Material: Dumortierite stone with gradient blue lacquered mobile counters

• Details: Moon phase indicators for northern and southern hemispheres

Bracelet/Strap

• Type: Single-turn, long size

• Material: Matte abyss blue alligator leather

• Clasp: Yellow gold folding clasp

Movement

• Caliber: Hermès H1837 Manufacture with L'Heure De La Lune module

• Type: Self-winding mechanical

• Functions: Hour, minute, double moon phase display

• Power Reserve: Approximately 45 hours

• Origin: Made in Switzerland