The Rolex Submariner, a name synonymous with diving prowess and enduring style, has captivated watch enthusiasts for decades. Within the Submariner lineage lies a fascinating sub-category: the two-line Submariner, specifically the reference 114060M. Often overshadowed by its more celebrated four-line counterpart, the 114060M 2-liner holds a unique place in Rolex history and offers a compelling alternative for the discerning collector. This article delves deep into the intricacies of the Rolex Submariner 114060M 2-liner, comparing it to the 14060M and exploring its nuances, including the movement, dial variations, production years, and the often-debated COSC certification.
The 2-Liner vs. the 4-Liner: A Subtle but Significant Difference
The most significant, and often the only readily apparent, difference between the Rolex Submariner 114060M 2-liner and its 4-liner counterpart lies in the text on the dial. The 4-liner boasts a more elaborate dial inscription, including the "Superlative Chronometer Officially Certified" line, indicating its COSC (Contrôle Officiel Suisse des Chronomètres) certification. This certification guarantees a high level of precision and accuracy, within strict parameters set by the Swiss Official Chronometer Testing Institute. The 2-liner, however, features a simpler dial with only two lines of text: "Rolex" and "Oyster Perpetual Submariner." This absence of the COSC certification statement is the key differentiator.
However, it's crucial to understand that this difference in certification doesn't necessarily translate to a difference in the watch's inherent quality or reliability. Many argue, and with considerable justification, that the movement within both the 2-liner and 4-liner – the caliber 3130 – is essentially the same. The lack of COSC certification on the 2-liner simply means that Rolex chose not to submit those particular movements for testing. This decision might have been driven by various factors, including production capacity at the COSC testing facilities or simply a strategic choice by Rolex itself. The implication is not that the movement is inferior, but rather that it hasn't undergone the formal COSC testing process.
Furthermore, the argument regarding the irrelevance of COSC certification after a service is a strong one. Any competent watchmaker, regardless of whether they work for an authorized Rolex service center or an independent workshop, can thoroughly service and regulate the movement to achieve chronometric accuracy comparable to, or even exceeding, COSC standards. The service process often involves a complete overhaul, including lubrication, part replacement if necessary, and meticulous regulation of the timekeeping performance. Therefore, the initial COSC certification, while a point of distinction, becomes less relevant over the watch's lifespan.
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