2017 SIHH: A. Lange & Sohne LANGE 31 18K White Gold With Classic Gray Dail Watch

In 2017, the Geneva International Senior Watch Fair (SIHH), the first to present a new white Lange 18K gold and gray dial design LANGE 31, and limited edition of 100. Over the past decade, A. Lange & Sohne LANGE 31 is the first and only a power reserve up to 31 days of mechanical watch, built-in patented constant power escapement system, can provide uniform torque. This ingenious device is located between the main barrel and the travel wheel, precise and incomparable. Constant power escapement function is also obvious. Through the sapphire crystal case back, the wearer can watch at any time to connect the four wheel mandrel triangular cam. Cam to the ingenious design of the rotary lever control device, every ten seconds for the constant dynamic gossamel to add new impetus. The independent key into the sapphire crystal bottom cover of the square slot, you can tighten the strong and powerful mainspring. Key features include integrated rear gear ratchet and torque limiter, the former can make the chain process more fluid and easy, while the latter can prevent accidentally taut hairspring. This great power of the watch masterpiece highlights the top watchmaking skills, in full compliance with the global connoisseur of Lange's expectations.Cheap replica A. Lange & Sohne LANGE 31 watches from China.

A. Lange & Sohne LANGE 31 equipped with a diameter of 45.9 mm,18K white gold case and delicate gray dial, at first glance difficult to detect the powerful power of manual winding movement. Only the large power storage instructions at the top of the white digital "31" and A. Lange & Sohne large calendar display below the small words, reveal a little clue, revealing the movement completely on the chain, the watch can run for a whole month. 744 hours into the mechanical watch power reserve, itself is a major technical challenge, but to ensure the operation from beginning to end to maintain accuracy, it is even more difficult. When the wristwatch is fully wound, the double barrel and its two 185 cm hairsprings provide a lot of torque at the beginning and then gradually diminish as they approach the end of power storage. Therefore, the watch needs an independent technical device to ensure dynamic stability, in order to achieve the most accurate rate, and this device is a constant power escapement system. This system is located between the A. Lange & Sohne LANGE 31's double barrel and the travel gear train, providing constant power to the escapement every ten seconds so that the balance wheel can continue to swing at the same and appropriate amplitude. Watch from the first day to the thirty-first day to keep accurate travel time, until the limiter stop movement.There are also lots of cheap replica Tag Heuer Carrera watches for sale.