While bidirectional rotating bezels may be quicker for wearers to turn to the appropriate spot, as a dive bezel it’s not the best option. If the bezel gets accidentally knocked, this could cause divers to miscalculate how long they have been underwater. Therefore, a unidirectional bezel is more prudent because accidental knocks to the bezel can only result in overestimating immersion time – it’s far preferable to start ascending to the surface earlier or spend longer than necessary at a decompression stop.Rolex began equipping the Submariner with unidirectional bezels starting with the Submariner Date ref. 16800, which was introduced around 1979. The no-date Submariner model received a unidirectional bezel with the introduction of the Submariner ref. 14060 in 1990.Like the previous generation, the new unidirectional bezels included aluminum bezel inserts. In 1983, Rolex introduced the first two-tone Submariner model in the form of the Submariner Date ref. 16803, which sported a yellow gold knurled bezel with a black or blue aluminum insert. To celebrate the 40th anniversary of the Submariner in 2003, Rolex introduced the stainless steel Submariner Date ref. 16610LV with a green bezel insert.In 2008, Rolex introduced the first Submariner models equipped with unidirectional bezels featuring Cerachrom inserts. Cerachrom is Rolex’s proprietary ceramic alloy that is not only resistant to scratching but also to fading. The 60-minute graduations are cut into the bezel and then the ceramic bezel insert is fully coated with either yellow gold (for yellow gold and two-tone models) or platinum (for white gold or steel models). The gold/platinum is then polished away from the ceramic surface until only the recessed numerals and markings are left with the metal filling.By 2012, Rolex had rolled out the Cerachrom bezels across all Submariner models and color options include black, blue, and green. A quick way to know the color of the bezel is to look at the letters in the reference number: LB (blue bezel), LN (black bezel), and LV (green bezel).
Considering of specific environment, such as deep sea. The wrist watch may be hit when diving. So this replica has security measures to protect it from damage. For instance, it with sapphire crystal which has been with AR coating. It has been used in front of case and case back. And it with premium quality since it was at the lever of Swiss grade NO1. The transparent case back can make us observe its operation of movement. And its bezel was made of black ceramic. As we all known, ceramic was a superior material since it can be wear resistant, and corrosion resistant perfectly. What’s more, the clear scales in bezel may help you use the function of chronograph smoothly.In concert with its main material, it with a brushed stainless steel bracelet. It was more general and cool in appearance.
If you have a vintage Rolex Datejust manufactured prior to the introduction of Caliber 3035, then your particular model is a non-quickset Datejust. To set the date and time on a Non-Quickset Rolex Datejust, follow these steps:Unscrew the winding crown by turning it counterclockwise until it releases from the case.Turn the crown clockwise around 25 times to manually wind the watch (it’s always a good idea to hand-wind the watch while setting it even if it is an automatic movement).Pull the crown out to the last notch.Rotate the crown to advance the timekeeping hands. Keep turning until the correct date appears in the date window. When the correct date appears, you are now in AM hours; now set the time accordingly taking into consideration if it is currently AM or PM.Push the crown all the way back in and screw it down to the case.To set the date and time on a Quickset Rolex Datejust, follow these steps:Unscrew the winding crown by turning it counterclockwise until it releases from the case Turn the crown clockwise around 25 times to manually wind the watch (it’s always a good idea to hand-wind the watch while setting it even if it is an automatic)Pull the crown out one notch to set the date (the timekeeping hands will continue to run in this position).Rotate the crown to adjust the date. We recommend setting the date to the day before today.Pull the crown out to the last notch to set the time. Rotate the crown to move the hands past midnight so that today’s date appears in the window. You are now in AM hours; now set the time accordingly taking into consideration if it is currently AM or PMPush the crown all the way back in and screw it down to the case.Always remember to keep the winding crown on your Rolex watch screwed down onto the case if you not adjusting the time and date to protect the watch from moisture and dust. Also, never unscrew the crown if you are in or around.
About this two tone Submariner 116613LN, there are basically four factories that are making it. BP, GM, AR and Noob. Among four of them, BP is the factory makes the cheapest one. GM is a new factory, I do not know their quality. So, the last two factories AR and Noob are worth your consideration. Based on the V1 edition, this time AR factory update the bezel and dial, the thickness of yellow gold coating on case and bracelet is also improved. First, the 18K yellow gold coating, which the factory claims, is updated to be 8 mils thick. Second, the black ceramic bezel insert is also updated, the golden markers on the bezel are improved to have the same engraving depth. Thrid, about dial improvement, the golden edge of hour markers is narrowed, while the central lume part is wider, so there will be more lume coating on each hour marker to guarantee stronger and longer lume light in dark conditions.So, instead of spending $50 USD more on the 116613LN from Noob, it is better to choose this one from AR factory.I love vintage watches very much. Especially Rolex and Panerai are my most favorite.This generation’s Paul Newman Daytonas are currently flying under the radar. Yes, the Rolex GMT-Master II has already doubled in value, and is likely going to appreciate further due to Rolex carefully managing the supply of that model to the ravenous public, but only by 200%, 300%, 500%. Now, that’s not too bad at all, but the really crazy money is likely hiding somewhere in the far corner of the industry and we won’t know what it is until it’s too late to rush out, cash in hand, and “collect” it.So what should we do in the meantime? I told my little friend, desperate to see a return on his money that he should be patient. He should wait to fall in love. He should truly get to know himself before he pulls the trigger. And then, when he’s good and ready, he should buy a Rolex anyway.
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