Rolex Oyster Perpetual Submariner – angle
These seemingly minor upgrades change the proportions of the entire watch – including the body of the case, the bezel, the dial, and the strap. This means you’re looking at a completely new model. If you put the new Oyster Perpetual Submariner next to its predecessor (which is being discontinued), the changes become obvious. The new Submariner looks more than a millimeter larger than the old model, thanks to extensive modifications to the tiniest of details. 
Less obvious is the new in-house self-winding movement, Caliber 3230 because like any Rolex watch, it is covered by a finely slotted case-back that is tightened airtight with a special key and can only be opened by an authorized Rolex watchmaker. The 3235 caliber differs in that there is no date display on the Submariner’s dial.
Otherwise, all other functions are the same. The new Submariner is equipped with the innovative Chronergy escapement patented by fake Rolex and made from a nickel-phosphorus alloy. It offers exceptional functional reliability and high energy efficiency and is resistant to the effects of magnetic fields. The movement also boasts an optimized version of the Rolex Parachrom hairspring.
Rolex produces the hairspring in-house with a paramagnetic alloy, which makes it 10 times more accurate than a conventional hairspring. It also has a special Rolex overcoil that ensures a constant rate in all positions. The oscillator is supported by the excellent patented Paraflex anti-vibration system designed by Rolex. Both the caliber 3230 and the caliber 3235 have a 70-hour power reserve thanks to the more efficient design of the escapement and barrel. In addition to the COSC chronometer test, the watch must also pass Rolex’s rigorous in-house “Super Chronometer” test, which allows a deviation of no more than 2 seconds per day, according to the current 2015 norms.
The Submariner collection comes from a time when dive watches were used more for professional applications than for recreational diving. For this reason, they remain true to their original appeal today – because clearly reading the time during a dive is a matter of life and death. The clear and simple Submariner dial has therefore remained the same. The hour and minute hands have been adapted from the replica Rolex Deepsea and are distinguished from each other to prevent any confusion. The triangular, circular, and rectangular markers are designed to provide orientation and increased readability, as well as to prevent possible errors underwater or on dry land. The hands and markers are coated with replica Rolex Chromalight luminous material and glow bright blue in the dark. The eye-catching dot at the end of the second-hand serves as a function check and is also luminous. In addition, the zero markers on the diving bezel are filled with the same luminous material to provide better positioning when setting the dive time.