H. Moser & Cie 341.501.002 Endeavour Perpetual Calendar 1 18k White Gold (30717)

30717 H. Moser & Cie 341.501.002 Endeavour Perpetual Calendar 1, 341501002, 18k white gold case with an 18k white gold deployant buckle, manual wind H. Moser & Cie caliber HMC 341.501, white dial with applied white gold markers, leaf hands, date at 3 o'clock, the small hand in the center points to the twelve hour markers signaling the month, small seconds at 6 o'clock, power reserve at 9 o'clock, leap year indicator on back, sapphire crystal, display back, water resistant, size 41mm, thickness 11.5mm,original strap and pusher included, like New with original box and papers, dated January 2015. $60,000 USD MSRP


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More about H. Moser & Cie 341.501.002 Endeavour Perpetual Calendar 1 18k White Gold

This is an 18k yellow gold H. Moser & Cie Endeavour Perpetual Calendar 1 341.501.001. It has a leather strap with an 18k yellow gold deployment buckle, and a scratch resistant sapphire crystal. The winding crown includes a double pull mechanism that can adjust the patented flash date both forwards and backwards. There is an exhibition sapphire display case back secured with 4 screws, with the polished perimeter engraved with "H. MOSER & CIE," and a serial number. There is a corrector in the left case band at 9 o'clock for adjusting the leap year, with a wheel that's visible on the movement through the case back. The 41mm diameter solid two-body case, downturned lugs, and concave cupped bezel are polished. The dial is black with applied yellow gold baton hour markers and gold leaf-shaped hands. There is a 168-hour, 7-day down/up power reserve indicator at the 9 o'clock position, and a subsidiary running seconds register is at 6 o'clock. There is a date aperture window at 3 o'clock, and there is a small gold arrow hand in the center that indicates the month by pointing at the 12 hour indices. It's water resistant to 30 meters/100 feet, and the 11.5mm thick case, dial, and movement are all signed.

This H. Moser & Cie Endeavour Perpetual Calendar 1 341.501.001 has a mechanical manual winding H. Moser & Cie caliber HMC 341.501 movement. It's rhodium plated with cotes de Geneve embellishment on the bridges. It's constructed with 28 jewels, a monometallic balance that's adjusted to 6 positions, and a shock absorber device. It includes a Moser dual spring barrel, Moser teeth for all wheels and pinions, an original Straumann hairspring with a stabilized Breguet overcoil, and a hardened gold pallet fork and escapement wheel (there is an interchangeable escapement module to make servicing easier). It has a hacking seconds mechanism for precision time setting, and the movement oscillates at a frequency of 18,000 vph (2Hz).