H. MOSER & CIE. Endeavour Perpetual Calendar “Tantalum Blue Enamel” | Tantalum & Steel | Ref. 1800-2000 | Full Set

This timepiece is in pristine condition with no apparent signs of wear. It comes as a complete set including both inner and outer boxes, pusher tool, polishing cloth, and warranty card dated September 2023. MSRP: 94,500 USD.

The Endeavour Perpetual Calendar Tantalum Blue Enamel is a 42mm timepiece combining two of watchmaking’s most demanding disciplines — rare material engineering and ancestral Grand Feu enamelling. The case is crafted from tantalum, a dense and exceptionally stable metal with a unique bluish-grey hue that is exceedingly difficult to machine and polish, paired with a stainless steel bezel for contrast. The Abyss Blue fumé “Grand Feu” enamel dial is fired in multiple stages at extreme heat, its depth and luminosity shifting dramatically under different light — presented without indices, without logo, and without distraction. A perpetual calendar is displayed with extraordinary elegance: retrograde date at 6 o’clock, month aperture at 12 o’clock, day aperture at 9 o’clock, and a purity leap year indicator — the manufacture’s signature layout requiring no adjustment before 2100. Presented on a dark brown kudu leather strap with stainless steel pin buckle. Retailing at 94,500 USD, this example is offered meaningfully below current retail. The hand-wound HMC 800 is a manufacture perpetual calendar movement delivering an exceptional 168 hours (7 days) of power reserve, water-resistant to 30 meters.

Delivery is via fully insured FedEx Priority Overnight to your nearest FedEx Ship Center within the continental U.S. All photos and videos are captured using professional macro equipment to accurately disclose condition; minor blemishes shown, as well as occasional fingerprints visible due to handling during photography, may not be apparent under normal lighting or wear. Each timepiece is represented with honesty, transparency, and quality, and its provenance is fully guaranteed. Seller is not affiliated with, sponsored by, or an authorized dealer of any horology house.

💲4️⃣9️⃣,9️⃣9️⃣5️⃣ +✈️. Payable via wire or Zelle. Major CC add 3.99%, approval required. Digital-friendly at 1%.

Listing Details:

• Reference Number: 1800-2000
• Case Material: Tantalum & Stainless Steel
• Bezel Material: Stainless Steel
• Case Diameter: 42mm
• Crystal: Sapphire Crystal (Front & Back)
• Dial: Abyss Blue Fumé Grand Feu Enamel — No Indices, No Logo
• Dial Markers: Leaf-Shaped Hands Only
• Strap Material: Dark Brown Kudu Leather
• Clasp: Stainless Steel Pin Buckle
• Movement: HMC 800 (Manufacture, Hand-Wound)
• Power Reserve: 168h (7 Days)