Calibre 3235 incorporates the patented Chronergy escapement, made of the same alloy, which combines high energy efficiency with great dependability and is also insensitive to magnetic fields.Ĭalibre 2236 and calibre 3235 are fitted with a self-winding module featuring a Perpetual rotor, which ensures continuous winding of the mainspring by harnessing the movements of the wrist to provide constant energy. The geometry of the Syloxi hairspring found in calibre 2236 guarantees the regularity of the movement in any position the blue Parachrom hairspring of calibre 3235 is fitted with a Rolex overcoil that offers the same level of performance.Ĭalibre 2236 features a paramagnetic nickel-phosphorus escape wheel. Both hairsprings are insensitive to magnetic fields, offer great stability in the face of temperature. Calibre 3235 features an optimized version of the blue Parachrom hairspring, manufactured by Rolex in a paramagnetic alloy. The oscillator is also fitted on high-performance Paraflex shock absorbers, designed by Rolex and patented.Ĭalibre 2236 incorporates a Syloxi hairspring in silicon, which is manufactured by the brand and patented. It is held firmly in place by a height-adjustable traversing bridge enabling very stable positioning to increase shock resistance. The oscillator of calibres 22 has a balance wheel with variable inertia regulated extremely precisely via gold Microstella nuts. They offer outstanding performance in terms of precision, power reserve, resistance to shocks, convenience and reliability. Consummate demonstrations of technology, these movements carry a number of patents. These tests systematically complement the qualification testing during development and production, in order to ensure the watches’ reliability, robustness, and resistance to magnetic fields and shocks.ĭatejust models are equipped with calibre 2236 (Datejust 31) or calibre 3235 (Datejust 36 and Datejust 41), self-winding mechanical movements entirely developed and manufactured by Rolex.
Rolex oyster perpetual datejust 36 price in india series#
The entirely automated series of tests also checks the waterproofness, the self-winding capacity and the power reserve of 100 per cent of Rolex watches. The Superlative Chronometer certification testing is carried out after casing using state-of-the-art equipment specially developed by Rolex and according to an exclusive methodology that simulates the conditions in which a watch is actually worn and more closely represents real-life experience. The precision of a Rolex Superlative Chronometer is of the order of −2/+2 seconds per day – the rate deviation tolerated by the brand for a finished watch is significantly smaller than that accepted by COSC for official certification of the movement alone. The precision of every movement – officially certified as a chronometer by the Swiss Official Chronometer Testing Institute (COSC) – is tested a second time by Rolex after being cased, to ensure that it meets criteria for precision that are far stricter than those of the official certification. The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee. These certification tests apply to the fully assembled watch, after casing the movement, guaranteeing superlative performance on the wrist in terms of precision, power reserve, waterproofness and self-winding. This exclusive designation testifies that every watch leaving the brand’s workshops has successfully undergone a series of tests conducted by Rolex in its own laboratories and according to its own criteria. Like all Rolex watches, the Datejust is covered by the Superlative Chronometer certification redefined by Rolex in 2015. This Datejust's reference has been in production for a long time: you can find Datejust 16234 produced from the late 80s to mid-2000s.THE DATEJUST, SUPERLATIVE CHRONOMETER CERTIFIED On the dial we find at 12 o'clock the words "ROLEX" - "OYSTER PERPETUAL" - "DATEJUST" and at 6 o'clock the classic writing "Superlative Chronometer Officially Certified". diameter stainless steel case is set with screw-down case back and crown, a fluted white gold bezel, a sapphire crystal with cyclops lens. This Rolex Datejust in steel with white gold bezel presents an elegant aftermarket Tiffany color dial and a coordinated jubilee bracelet. more In auction: pre-owned Rolex Datejust ref. diameter stainless steel case is set with screw-down case back and crown, a fluted white gold bezel, a sapphire crystal with. In auction: pre-owned Rolex Datejust ref.