H. Moser & Cie pushes the boundaries of material innovation and Haute Horology once again with the new Endeavour Perpetual Calendar Tantalum Blue Enamel. With the end of February approaching, there’s no better time to put a perpetual calendar to the test since its date complication accounts for the Leap Day.
The Endeavour Perpetual Calendar Tantalum Blue Enamel watch features a tantalum case. H. Moser & Cie uses this rare and prestigious metal for the first time in the brand’s history. Boasting shades of anthracite and blue, this unique material is enhanced by the ancestral technique of enamelling, featuring vibrant colors and a hammered texture.
Uncovered in 1802 by Swede Anders Gustav Ekeberg, tantalum is a highly dense and extremely strong metal. Its surfaces in contact with air develop a fine layer of oxidation that protects the metal against aggression. Tantalum boasts anti-corrosive properties, and does not react with most chemical agents or dissolve in acid. This extremely malleable metal is both hard and ductile. With a melting point of around 3000 °C, it demands advanced metallurgical expertise to machine.
The vibrant “Abyss Blue” dial of the Tantalum Blue Enamel edition of the Endeavour Perpetual Calendar is stripped of the brand logo and all indices except for those at 12 and 6 o’clock. Four differently colored pigments are set on a hammered gold plate, and are heated to create an ombré effect. At the center, the small hand indicates the months, while a very large date window at 3 o’clock, with the “Flash Calendar” function providing an instant date change at midnight and a power reserve indicator at 9 o’clock displaying the movement’s seven days of autonomy, complete the piece. The time and date are easy to set using the crown, and can be changed at any time of the day. The piece houses the Manufacture’s iconic HMC 800 perpetual calendar.
H. Moser & Cie Endeavour Perpetual Calendar Tantalum Blue Enamel retails for $82,500 USD.
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