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).
The first ceramic bezel Submariner appeared in 2009 with the introduction of the steel and gold Rolex reference 116613. A stunning blend of classic and modern dive watch design, the ref. 116613 has since become a highly sought-after dive watch, both at retail and on the pre-owned Rolex market. Other metal variations of the ceramic (aka “Cerachrom”) bezel Submariner would later follow. However, none is as intriguing as the Rolex Submariner two-tone example.The Rolex Submariner was introduced to the market in the early 1950s and was the first timepiece in the brand’s catalog to offer water resistance up to 100 meters. This depth rating would eventually be increased to up to 300 meters, where it remains for the modern versions of the Submariner that are sold today. Other notable upgrades made to the line over the past six decades include improved materials (904L Oystersteel), longer-lasting lume (Chromalight), higher-beat Caliebr 3135 perpetual movements, tougher scratch-resistant sapphire crystals, and unidirectional rotating timing bezels.The Submariner was first offered in stainless steel, then in yellow gold. The first two-tone Submariner wasn’t released until 1984, with the reference 16803. This take on Rolex’s famous professional diver introduced the line to a brand new level of collectors who sought a gold Rolex but didn’t have the budget for an all-gold timepiece. Fast forward to 2009 with the release of this article’s featured ref. 116613, a completely redesigned dive watch with an upgraded bracelet and case, a redesigned bezel fitted with a ceramic insert, and a larger display on the dial.The Rolex Submariner is a dive watch legend. From its many appearances in the James Bond franchise to gracing the wrists of numerous A-list celebrities, the Submariner has become one of the most recognizable and coveted luxury watches in the world. The line is varied and offers options in either an all Oystersteel (904L stainless steel), Rolesor (two-tone steel and gold), or solid 18k gold. Today, we will compare two of the most iconic two-tone Rolex Submariner references – the Rolex 16613 and Rolex 116613.
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