The Rolex Submariner Date reference 16618, particularly the example boasting a black tritium dial, represents a fascinating intersection of luxury, horological history, and enduring appeal. This article will delve deep into the specifics of this highly sought-after timepiece, exploring its design, history, the nuances of its tritium dial, and its place within the broader context of Rolex Submariner production. We will examine the particular example mentioned – a 1998 model, lacking original box and papers – to illustrate the complexities and considerations of acquiring a pre-owned piece of this caliber.
The Rolex 16618: A Golden Standard
The Rolex Submariner Date ref. 16618 is immediately distinguishable from its stainless steel counterparts by its 18-karat yellow gold case. This luxurious material adds a significant element of opulence and weight to the iconic Submariner design. The 40mm case size, while still substantial, maintains the classic proportions that have defined the Submariner for decades. This generation of Submariners, produced from approximately 1988 to 2008, saw the implementation of several key features that contribute to its desirability today. These include the sapphire crystal, offering superior scratch resistance compared to the acrylic crystals of earlier models, and the Triplock crown system, ensuring superior water resistance. The 16618 also features the iconic unidirectional rotating bezel, crucial for safe diving calculations.
The Enigmatic Tritium Dial
The black dial on the Rolex 16618 is a significant element of its allure. However, specifying it as a "tritium" dial is critical, as this distinguishes it from later models with Super-LumiNova. Tritium, a radioactive isotope of hydrogen, was used in Rolex watches for luminescence until the early 2000s. It offered a soft, creamy glow that aged uniquely over time, developing a characteristic patina that many collectors actively seek. The shade of the tritium lume on the 16618 black dial often varies depending on age and exposure to light, ranging from a warm, creamy beige to a more pronounced brown. This variation is part of the watch's charm and contributes to its individuality, making each example subtly different. The markers and hands, coated in tritium, exhibit this age-related luminescence change, further enhancing the watch's vintage character. Finding a well-preserved 16618 with its original tritium dial largely intact is a testament to its careful handling and preservation over the years.
Rolex 16618 Underwater: Performance and Legacy
While the 16618 is a luxury watch, its core functionality remains firmly rooted in its diving heritage. The 300-meter (1,000-foot) water resistance, achieved through the Triplock crown and robust case construction, ensures its suitability for serious underwater exploration. The unidirectional bezel, with its precise minute markers, allows divers to accurately monitor their dive time, a crucial safety feature. The highly legible dial and hands, even in low-light conditions (though the tritium lume will have diminished over time), contribute to its functionality in underwater environments. However, it is important to note that while the 16618 can withstand significant water pressure, it's not recommended for extreme professional diving applications given its precious metal construction. Its primary appeal lies in its blend of luxury and robust functionality.
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