Rolex is a true pioneer in watchmaking technology. Among their most significant inventions is the Submariner, which was the first watch ever to offer water-resistance of up to 100 meters. The now-iconic Rolex Two-Tone Submariner was the inspiration behind the flourishing dive watch market as we know it, and almost every dive watch in existence today was in some way influenced by the Rolex Submariner. While it was developed for use while underwater, the Submariner has since become a coveted timepiece among collectors of all professions. The line is varied and offers a feature set to suit almost any wrist. However, today we will take a closer look at an earlier model of their Rolesor two-tone steel and gold Submariner ( Rolex Submariner two-tone ). The Rolex 16613 Two-Tone Submariner.The Rolex Submariner was developed in 1953 and made its official debut a year later at Basel Watch Fair 1954. As previously mentioned, the collection was the first to offer resistance to depths of up to 100 meters, which would then evolve into 200 meters, before increasing once again to its current and impressive 300-meter depth rating. In true Rolex fashion, the Submariner was carefully refined over the years to include a safer unidirectional bezel, improved materials, and a higher-beat movement.The original model was presented in stainless steel with an all-gold variation following in the late 1960s and a two-tone option coming to market in 1984 via the ref. 16803. The ref. 16613 was released a few years later in 1988 and enjoyed a long production run before being discontinued and replaced in 2009 with the current Cerachrom ceramic bezel 6-digit ref. 116613, marking the end of the aluminum bezel Rolex Submariner two-tone watches.
The IWC Portuguese Annual Calendar replica is equipped with an Asia IWC 52850 automatic movement, ZF disassembled all 326 components of original movement, after lots of trials of data analysis, the clone movement looks 90% the same as original 52850, besides, its adjusting method and winding feel are 100% the same as original. Because this IWC Portuguese watch has a see-through case back, so on the replica movement, ZF factory needs to work hard on the movement decoration. The following are photos of four Portuguese Annual Calendar watches.
The Rolex Two-Tone Submariner 16613 is available on a flat-link Oyster bracelet with hollow 18 karat yellow gold center links and an Oysterlock clasp. Like other Submariner watches, the clasp on the ref. 16613 features a wetsuit extension system that allows the length of the bracelet to be adjusted on the fly to fit comfortably over wetsuits.Depending on the year of production, Submariner 16613 bracelets can be found with slight differences between their clasps, end-links, and wetsuit extension systems. Earlier examples will have hollow end-links, all-steel clasps, and stamped wetsuit extensions, while later-era 16613 Submariner bracelets will have solid end-links, a link-style extension system, and a clasp featuring a 18k yellow gold strip through the center.The ref. 16613 is the result of Rolex’s tireless quest for perfection. Its long production run has spawned several variations, making it a fun watch to “hunt” for on the pre-owned Rolex market. It’s also a popular choice for its stunning two-tone steel and gold finish, and it is an excellent option for anyone who seeks a gold Rolex sports watch without the hefty price tag that accompanies an all-gold watch.
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