2017, the famous watch brand Rolex launched the new Oyster Perpetual Yacht-Master II, this sailing schedule chronograph extraordinary, designed for yacht enthusiasts and senior navigator design. As with all Rolex watches, the new Yacht-Master II is certified by Rolex’s top astronomical platform in 2015 to ensure that watches are top-of-the-range.
Watch with the new pointer and the surface, not only to maintain the Rolex professional watch consistent style, and read more clearly, the appearance is more outstanding. The new surface 12 o’clock position configuration triangle clock mark, 6 o’clock position is configured rectangular clock mark, regardless of any angle, can be clearly read. The end of the hour there is a small circle of light, so clear distinction can be minute hand, conducive to reading. The new Yacht-Master II offers the following options: 904L steel, eternal rose gold (904L steel and 18ct eternal rose gold combination), 18ct gold and 18ct white gold section.
Unique mechanical memory preset countdown function
Yacht-Master II watch is launched in 2007, a professional yacht chronograph watch, with a Rolex exclusive research and development functions: mechanical memory preset countdown function to ensure that the watch in operation with the General Assembly countdown synchronization. This function should be based on the exact timing requirements of the sailing competition. In the key start of the program, the need to accurately grasp the departure time. Although it is technically complex, it is very easy to use: Ring Command can be used to rotate the outer ring set and lock the countdown. Ring Command Rendezvous by Rolex is an interactive interface between the outer ring and the movement.
Yacht-Master II can set the countdown of 1 to 10 minutes, through the built-in mechanical memory function, re-set the same time before the countdown. After the countdown to start, at any time according to the General Assembly countdown to the precise adjustment.
Oyster case, waterproof symbol
Yacht-Master II’s Oyster Case guarantees a waterproof depth of 100 meters (330 feet) and is a rugged and durable example. The unique shape of the middle case to solid solid 18ct gold or 904L steel casting, difficult to corrosion. Triangle pit bottom cover to brand exclusive special tools tighten, the case sealed, so only the Rolex watchmaker to open the movement. On the chain crown with three buckle lock triple waterproof system, firmly tightened in the case, waterproof performance comparable to the submarine door. Crown crown protected by the crown, the crown shoulder pads and the middle of the case into one. Mirror made of blue crystal, easy to scratch. Yakt-Master II’s waterproof Oyster case gives excellent protection for high precision movement.
4161 constant motion movement
Yacht-Master II is equipped with 4161 self-winding mechanical movement. This movement is entirely developed by Rolex, its precise structure, Seiko fine and innovative elements to ensure accurate and reliable watch, unparalleled. This movement brings together Rolex’s superb watchmaking technology, 35,000 hours of tireless research results, its new features have been patented. Movement consists of more than 360 parts. Part of the fine parts made by Rolex research and development of UV-LiGA technology. This new technology produces parts that make the traditional cutting technology in size and shape.
The 4161 movement is modeled on the Cosmograph Daytona’s 4130 Chronograph Movement. This movement is equipped with a guide wheel and vertical chronograph wheel, instantaneous start timer. The hairspring balance wheel component is the heartpiece of the watch, equipped with the Rolex patented blue Parachrom gossamer. The gossamer is made of a unique alloy made by Rolex, free from magnetic field interference, even if the temperature changes, is still very stable, more than 10 times the traditional gossamer. Rolex final circle to ensure that gossamer in any position can still maintain the law. 4161-type movement is equipped with automatic winding components, by constant action pendulum thallium main winding on the chain, the power reserve of about 72 hours.
Solid chain buckle
Yacht-Master II with solid chain oyster strap, strap with Oyster-style insurance buckle, to prevent clasp accidental opening. This rolex patent extension device is designed to make the wearer easy to extend the strap about 5mm, in any case, wear are more comfortable.
Top Observatory Certification
As with all Rolex watches, Yacht-Master II is certified by Rolex’s top astronomical program in 2015. This unique title proves that the watch has passed a series of tests by Rolex Laboratories, whose standards are more than the conventional and level of the watch industry. Wrist watch after assembly to be tested to ensure that the watch wear, in the precision, power reserve, waterproof and automatic chain in all aspects, can play top performance. After the movement into the case before the test of the Rolex top astronomical station precision timepieces, the average error of less than two seconds per day, more than the average of the Observatory certification precision time more than twice.