Rolex Tropical Dial: Definition and Examples
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Rolex Tropical Dial: Definition and Examples

By Baron - Mr Red · Apr 1, 2014 · 77 replies
Baron - Mr Red
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Baron - Mr Red initiates a crucial discussion on the definition of a "tropical" dial, a term often debated among vintage watch collectors. He challenges broad interpretations, advocating for a specific understanding of this phenomenon as a uniform, natural fading of the dial, distinct from damage. This thread aims to establish a consensus and showcase examples of what truly constitutes a tropical dial.

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This will be the first of a few threads looking at tropical dials. There is no universal definition of what exactly it means when a dial is described as having gone "tropic". There comes a moment when a dial goes "breaking bad" and turns into a completely different animal. Some people describe tropical to mean essentially anything that is very different from the original dial. I am not in that camp. To me, a tropical dial is a very specific and actually extremely unusual phenomenon. It is not a dial that has been water-damaged and changed appearance just because of that damage. It is not a dial that is aged and haggard. No, to me, a tropical dial means something quite specific. It would be great in this thread if people would send in their opinions of what they view as tropical. Like I said, I don't believe there is a universal definition so it would be good tho get some form of consensus. I am going to pitch at what I view as tropical....

....and the best way I can do that is by means of an example....





This is the same watch captured over the space of about 2 minutes as the sun emerged. When it was born, this 1665 DRSD would have had a black dial. Over time, it has faded into this beautiful even golden brown hue that catches the light in a specific way and totally alters the persona of the dial. 

It is certainly true that some Rolex have had a greater tendency towards this process than others. My Mk2 DRSD, for example, was virtually black when I bought it 4-5 years ago, yet over those last few years it has turned more and more tropical.....





For me, this is what I understand by "tropical". What's your view? I would love this thread to become a "tropical" roll call in order to see as many versions as possible.....

About the Rolex 1665 Ref. 1665

The Rolex Sea-Dweller reference 1665 is a significant model within the brand's professional tool watch lineage, distinguished by its enhanced water resistance compared to contemporary Submariner models. This reference was developed to meet the demands of professional saturation divers, featuring a helium escape valve (HEV) integrated into the case side, a key differentiator from other Rolex dive watches of its era. It represents a period of innovation in deep-sea horology, offering a robust solution for extreme underwater environments.

This reference features a 40 mm stainless steel case, designed for durability and resistance to high pressures. It is powered by the automatic Caliber 1575, a chronometer-certified movement known for its reliability and precision, offering a power reserve of approximately 42 to 48 hours. The watch is fitted with an acrylic crystal, contributing to its water resistance rating of 610 meters, and typically features a black dial with luminous hour markers.

For collectors, the reference 1665 is notable for its functional design and its place in the evolution of professional dive watches. Early examples, often referred to as "Double Red Sea-Dweller" (DRSD) due to two lines of red text on the dial, are particularly sought after. Later versions feature all-white text. The presence of the helium escape valve and its robust construction make it a distinct and historically important piece for those interested in the development of specialized timekeeping instruments.

Specifications

Caliber
Cal. 1575
Case
Stainless steel
Diameter
40 mm
Dial
Black
Water Resist.
610m
Crystal
Acrylic

Key Points from the Discussion

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The Discussion
MA
marcello pisani
Apr 1, 2014

the miracles of the Brit sun .... LLOOLLLLL besides jokes ( sorry I can't ever resist ... ) in my big opinion ( as I'm a big man in the range of 250 lbs.. LOOLL ) .. " tropical " is a dial naturally faded to a different colour ( most times to brown with many different shades ). a dial is " tropical " when : a) it's almost uniform b) is not damaged ( or at least there are no heavily damaged zones ) here for ex. is an IDF Heuer faded to dark brown ( not completely uniform .. sigghhhhh .. ) :

BA
Baron - Mr Red
Apr 1, 2014

.....so I am going to compile a form of running "checklist"..... 1) A dial that is unusual by dint of damage is not a tropic. 2) A tropic should be uniformly tropic across the dial and not just in some places. 3) Tropic is a result of dial fade....not water-damage. What do you think of this one?

MA
marcello pisani
Apr 1, 2014

not my cup of tea and neither my glass of beer ... ( either a bit too damaged and flyblown )

HE
hennabav
Apr 1, 2014

I can understand why it's not their cup of tea. Maybe its the fact of a damaged dial. Tropical can be a very broad term used to describe a color change in the dial and often time I've seen used on dials that have the slightest and darkest hint of brown. Is there a color change? Sure! Is it worthy of being coined with the term Tropical in my book? Maybe not. For me, a true tropical should have perfectly even color change, no water damage, lume plots all full, and print perfectly bright and legibl

BA
Baron - Mr Red
Apr 1, 2014

......but as you ask....yep, I like it.

MA
marcello pisani
Apr 1, 2014

1680 with case in the 2.216 range ( case produced in december 1969 and contemporary to PP 1665 ) ; please forgive the lumi replacement insert ( watch from my records checked by me 8 years ago ) :

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