Rolex
Explorer 2 white Dial Paper set - Stainless Steel

“Some watches reveal their character from a distance. Others prefer to wait for the wrist, the light of a departure and the silence of a landscape before showing everything they can do.”

Rolex Explorer II reference 16570, F-series serial number corresponding to 2004 production, 40 mm 904L Oyster steel case, fixed steel bezel graduated over 24 hours, white Polar dial with black-surrounded luminous hour markers, highly legible black hands, additional red hand circling the dial once every 24 hours, second-time-zone display, date at 3 o’clock beneath a Cyclops lens, sapphire crystal, Twinlock screw-down crown, steel Oyster bracelet with secure folding clasp, Rolex calibre 3185 chronometer-certified self-winding mechanical movement operating at 28,800 vibrations per hour, approximately 48-hour power reserve after full winding, 31 jewels, original 100-metre water resistance, watch accompanied by its original Rolex papers documenting its first sale in 2006, sold pre-owned by Mostra, fully inspected, authenticated and covered by a 3-year warranty.

The Rolex Explorer II 16570 Polar belongs to that second family. It does not try to impose its status immediately, carries no spectacular colour on its bezel and avoids the most obvious codes of Rolex professional watches. It moves forward with a white dial, a fixed steel bezel, a red hand and that discreet presence which now explains much of its success. Long overshadowed by the Submariner and GMT-Master II, it has become one of the most engaging references of the five-digit Rolex generation precisely because it never needed to resemble them.The 2004 F-series production and the original papers dated 2006 tell two complementary moments in the history of the watch. The serial number places its manufacture, while the warranty document preserves the trace of its first retail sale two years later. There is no contradiction between these dates. On the contrary, they give the piece a more complete chronology, that of the time between leaving the Rolex workshops and meeting its first owner. For a collector, this documentation provides an origin, coherence and depth that the watch alone cannot entirely restore.

On the wrist, the 40 mm Oyster case achieves a balance later generations would interpret through greater volume. The case retains visual finesse, the lugs naturally extend into the bracelet and the steel bezel never tries to artificially broaden the watch. It remains present enough to assert its professional origin, yet restrained enough to accompany a shirt, jacket or more discreet clothing. This proportion allows the watch to be worn for long periods without fatigue, with the feeling of an object designed to follow movement rather than restrict it.

The white Polar dial lies at the centre of the reference’s personality. Within the world of Rolex sports watches, largely dominated by black dials, this light surface immediately opens the space. It catches the light, gives depth to the case and changes the perception of the watch according to its environment. In bright daylight, the white appears clean, almost mineral. In softer light, it grows slightly warmer, while the black outlines of the hands and markers become more pronounced. The watch therefore preserves strong legibility without ever losing elegance.The black hands and black-surrounded markers are not merely an aesthetic choice. They create the contrast that gives the Polar its particular identity. Every indication separates immediately from the dial, the date remains easy to locate and the red hand crosses the white surface with almost graphic clarity. This opposition between white, black and red produces a watch unlike any other Rolex professional model of its generation, at once technical, luminous and surprisingly modern.

Then the eye meets the red 24-hour hand.

It accompanies the watch without dominating the dial. Its arrow-shaped tip moves slowly, completes a full circle in twenty-four hours and reads the scale engraved into the fixed bezel. It distinguishes day from night when this alternation becomes difficult to perceive, while also preserving a second time zone when travelling. This dual ability gives the Explorer II a particular usefulness: it remains an exploration watch while becoming a watch of movement, passage and connection with another place.The Explorer II appeared in 1971 to accompany explorers working in environments where natural light no longer allowed day and night to be clearly distinguished. The combination of an additional hand and a 24-hour graduated bezel answered this need, particularly underground or in polar regions. On later generations, this architecture also made it possible to display a second time zone through the independently adjustable local hour hand. The function therefore comes not from decoration suggesting adventure, but from a genuine requirement. The fixed 24-hour graduated bezel plays an essential role in this identity. Unlike that of a GMT-Master II, it does not rotate. The reference cannot be displaced accidentally by an impact, clothing or imprecise handling. The reading remains stable, direct and permanently available. This mechanical simplicity also strengthens the construction. No aluminium or ceramic insert dresses the bezel: engraved steel accepts its function, receives the light, accompanies the marks of time and preserves the instrument-like appearance that gives the 16570 so much character.

The bezel also contributes to the discretion of the watch. It carries no colour, excessive brilliance or sign immediately associated with a famous nickname. To someone unfamiliar with the reference, the Explorer II can appear almost restrained. To someone who recognises it, the fixed bezel, Polar dial and red hand are enough. The watch then speaks a more confidential language, that of pieces that do not need universal recognition to be appreciated by those who know.The second-time-zone function fully reveals its usefulness while travelling. The main hour hand moves independently in one-hour jumps, immediately following local time without stopping the watch or changing the minutes. The red hand can then retain home, office or another important city’s time. The date follows local time, crossing midnight in either direction. Use remains rapid, intuitive and perfectly adapted to a life built around travel.

This function brings a discreet form of security abroad. It allows the wearer to know immediately what time it is at home, avoid an excessively early call, follow a team remaining in another country or preserve a point of reference when days and nights begin to blur. The watch avoids constant dependence on a phone. It keeps simple, permanently legible information on the wrist, accompanying travel without interrupting it.

The date beneath the Cyclops lens adds a daily usefulness increasingly appreciated over time. In an airport, hotel, during a professional journey or through a week spent away from familiar habits, this detail becomes another point of reference. The Polar does not try to multiply indications. It gives local time, reference time, the date and day-night distinction within a composition that remains clear.

In outdoor use, the Explorer II returns to its natural territory. It accompanies a walk, high-altitude travel, a day in the cold, an itinerary beyond the city or an activity where legibility and resistance matter more than ornament. The white dial remains clear in strong light, the black indications stand out precisely and the fixed bezel retains its reference without requiring manipulation. The watch offers several useful functions without becoming a cumbersome instrument.

Its 100-metre water resistance, Twinlock screw-down crown, sapphire crystal and Oyster construction reinforce this freedom. It is not a dive watch and never attempts to become one, yet it possesses the resistance required to accompany rain, temperature changes, travel and the ordinary activities of an active life. On a watch of this generation, use in water naturally remains subject to a recent pressure test, but the architecture is that of a genuine Rolex professional watch.

The city reveals another part of its character. The white dial brings light beneath a dark cuff, the steel bezel retains a more restrained presence than a coloured insert, and the 40 mm case remains slim enough to accompany a jacket. The watch does not turn an outfit into an adventurer’s uniform. It knows how to remain sober, almost minimal, while retaining technical depth discovered only when the eye moves closer.

With denim, a shirt or a blouson, the Polar becomes sportier. With a jacket, coat or professional clothing, it grows more precise and graphic without losing naturalness. This versatility explains why the 16570 can become the only watch in a collection or one of its most personal pieces. It never asks the wearer to choose between travel, outdoor use and the city. It follows all three with equal coherence.

The steel Oyster bracelet extends this sense of use. Its three links stabilise the case, distribute its weight and create a direct line between the watch and the wrist. Brushed surfaces preserve the professional spirit of the reference, while polished details bring just enough light to accompany an urban setting. The secure folding clasp allows the watch to be closed with confidence and strengthens the impression of a complete object made to be worn often.

The F-series generation benefits from a construction that had become more modern during the long career of the 16570. The bracelet and its end links give the watch greater density than earlier versions while preserving a lightness very different from the more massive bracelets that followed. This intermediate position contributes to its charm: modern enough to reassure in use, sufficiently slim to preserve the character of five-digit Rolex watches.

The automatic Rolex calibre 3185 movement supports this philosophy with the same restraint. It operates at 28,800 vibrations per hour, offers an approximately 48-hour power reserve after full winding and rests on a 31-jewel architecture. Chronometer-certified, it controls the hours, minutes, central seconds, date and 24-hour display while allowing the local hour hand to be adjusted independently. It does not seek to reveal itself behind a transparent caseback. It works in the background, protected by the Oyster case, with the regularity that gives the watch its genuine availability. Independent local-hour adjustment is one of the great qualities of this calibre. While travelling, the crown moves the principal hand without stopping the seconds or losing the precision of the setting. The watch continues to run while the time zone changes. This fluidity appears simple today, yet it genuinely transforms use and explains why the Explorer II can accompany an explorer as naturally as a contemporary traveller.

The current success of the 16570 also comes from the fact that it remained underestimated for many years. The Submariner, GMT-Master II and Daytona occupied more space within the collective imagination, leaving the Explorer II in a more confidential position. This relative discretion protected it from part of the demonstration associated with the most famous models. It remained a Rolex for those seeking a different function, proportion and aesthetic.Today, that position feeds its prestige. The now-discontinued model has no strict equivalent within the current collection. The modern Explorer II has grown, adopted a 42 mm case and developed a more assertive presence. The 16570 preserves the 40 mm format, the finesse of the five-digit generation and that highly balanced relationship between dial, bezel and bracelet. The Polar model, with its black hands and markers, remains particularly sought after for its contrast and personality.

From a collector’s perspective, this example brings together several complementary qualities. The Polar dial gives it strong identity, the F-series places it within a mature phase of production, calibre 3185 preserves the historical coherence of the generation and the original papers document its first sale in 2006. The watch does not rely on artificial rarity. Its interest comes from the balance of the configuration, the depth of its use and its singular place within the history of Rolex professional watches.The original Rolex papers bring a genuine advantage. They preserve the trace of the first retail sale, give the watch a clearer chronology and explain the difference between the year of manufacture and year of sale. On a reference now sought after by collectors, this documentation strengthens the coherence of the whole and accompanies the watch through its future journey.

Wearing a 2004 Explorer II Polar today means choosing a Rolex not encountered on every wrist. Its white dial catches the light, yet its identity remains discreet. Its GMT function accompanies travel, yet the watch does not look like a conventional travel watch. Its construction withstands an active life, yet its format allows genuine city elegance. It brings several worlds together without ever appearing to force their meeting.

This example is offered as a Rolex Explorer II Polar reference 16570 F-series, manufactured in 2004 and first sold in 2006 according to its original papers, with white dial and steel Oyster bracelet. The watch is sold pre-owned by Mostra following careful inspection of its authenticity, movement, dial, case, bracelet and overall coherence. A particularly interesting piece for the collector seeking a versatile, resistant and documented professional Rolex, sufficiently underestimated to preserve a discreet presence.

Choosing a Rolex Explorer II from Mostra requires a precise perspective. Each watch is selected with more than 40 years of watchmaking expertise, with attention given to authenticity, actual condition, movement, dial, bezel, bracelet and documentation. This Explorer II 16570 has been fully inspected, authenticated and prepared so that it can be worn with confidence. You benefit from personalised guidance as well as a 3-year Mostra warranty, a strong commitment reflecting our confidence in the watches we offer. A watch such as this is chosen for its Polar dial, red hand, travel function, resistance, original papers and the quality of the perspective applied to it before acquisition.