Rolex Oyster Perpetual Date Moon Phase Watch

Estimated price: 5700-8700 Swiss francs
Commission price included: 14,400 Swiss francs (about RMB 88,718)
[Circa 2003]
[Overall description]
The case diameter is 36 mm, the thickness is 11 mm, and the watch is 170 mm long. Case number K439081, model 16200, sold on April 25, 2003, good condition, unique, barrel-type case, central seconds hand, automatic winding function, stainless steel three-piece case, fine polished and matte polished, screwed Slip-on caseback and crown, tilted bezel, sapphire crystal with date window magnification, silver dial with Rolex unique pattern engraving, stainless steel Arabic numerals, moon phase function at 6 o’clock, date display at 3 o’clock , Stainless steel baton pointer, stainless steel Rolex Oyster strap with original warranty (now expired).
[Movement configuration]
Caliber 3135, rhodium-plated, with Geneva stripe polishing decoration, 31 rubies, vertical lever escapement, single metal balance wheel, 5 orientation and temperature compensation correction, shock absorber, self-compensating Breguet balance spring, stop seconds The device, dial, case and movement are all signed.
Everyone knows that Rolex does not make complicated functions, and the ‘countdown’ of the Yacht-Master is one of the complicated functions that Rolex can count. Everyone knows that Rolex broke through the world with two movements and became the most deficient super brand in the ‘core’. However, have you ever thought that Rolex still has several patents for perpetual calendar technology? However, many quartz perpetual calendar technologies developed in response to the original quartz crisis have become a thing of the past, and let us focus our attention on the moon phase function included in this Datejust. Historically, Rolex with the moon phase function concentrated in just a few years from 1949 to 1953, and there are only a handful of configuration models: they are 8171 known by Italian collectors as ‘Padellone’ and were once called ‘COSMOGRAPH’ 6062, both are day, month, star calendar.