Maurice Lacroix Pontos Grand Guichet GMT: what does its owner think?

The Maurice Lacroix Pontos Grand Guichet GMT, launched in 2006, belongs to one of the most creative periods of the Pontos collection, itself introduced in 2000 to represent contemporary, elegant and mechanical watchmaking at Maurice Lacroix. The model combines two immediately visible complications: a large date display at 12 o’clock and a second time zone presented in an independent counter at 6 o’clock. This architecture creates an almost symmetrical dial organised around a strong vertical axis while avoiding the sportier appearance of a central GMT hand. The watch uses a 40 mm round stainless-steel case, domed sapphire crystal, transparent caseback and 50 metres of water resistance. Its automatic ML129 calibre is based on the ETA 2892-A2 and provides approximately 42 hours of power reserve.

Several references are offered with black or silver dials, markers or Roman numerals, crocodile straps or steel bracelets, together with a 2008 edition limited to 2,008 pieces.

Design & legibility: large date above, second time zone below

The personality of the Pontos Grand Guichet GMT comes above all from the organisation of its dial. Main time is displayed by three central hands, while the large date is installed at 12 o’clock in two openings allowing the two date digits to be read much more easily than through a conventional small aperture. At 6 o’clock, an independent counter has its own hour and minute hands for following another time zone. The vertical alignment of the large date at 12 o’clock and second time zone at 6 o’clock is the essential distinguishing feature of the Pontos Grand Guichet GMT. This arrangement gives the dial strong symmetry despite the amount of information displayed. Depending on reference, Maurice Lacroix uses baton markers or Roman numerals and black, silver or warmer-toned dials. The main-time hands together with those of the second time zone receive luminous material on documented executions. The lower counter works on a twelve-hour rather than twenty-four-hour scale: it therefore makes another region’s time easy to read but does not by itself distinguish morning from afternoon. For professional use with a familiar time zone, however, the architecture remains especially intuitive.

Case, crystal and comfort: 40 mm in a distinctly Pontos architecture

The round stainless-steel case measures 40 mm in diameter and approximately 12 to 12.5 mm thick depending on reference and available measuring method. These dimensions remain reasonable for an automatic watch combining a large date and second time zone, especially compared with many complicated watches exceeding 42 mm produced during the same period. The fixed bezel is slim and leaves a large dial opening, while the shoulders around the crown and alternation of polished and satin-brushed surfaces give the case the visual tension characteristic of the Pontos family. The 40 mm diameter allows both complications to remain highly legible without turning the watch into an oversized piece. The sapphire crystal is domed and receives anti-reflective coating on its inner surface. The screwed caseback also incorporates sapphire, allowing the automatic movement and its decoration to be viewed. Lug width is close to 20 mm on documented references, making replacement of an ageing leather strap straightforward. Crocodile configurations generally use a folding clasp, while certain references receive a steel bracelet with folding buckle. Water resistance of 5 ATM, or 50 metres, remains appropriate for a versatile city watch rather than one intended for intensive aquatic activities.

Movement: ML129, ETA 2892-A2 base and practical complications

Calibre ML129 is based on the ETA 2892-A2, a Swiss automatic architecture widely used in higher-level watches of this period because of its relatively slim construction and frequency of 28,800 vibrations per hour. In the Pontos Grand Guichet GMT, Maurice Lacroix adapts this base to control the large date and second time display. Documented examples specify 21 jewels and a power reserve of approximately 42 hours. The movement also provides manual winding and precise time setting. The principal attraction of the ML129 is its integration of two highly useful complications on a familiar ETA 2892-A2 foundation that an experienced watchmaker can readily understand. Central seconds move smoothly thanks to the 4 Hz frequency. The large date improves everyday calendar legibility while the GMT counter provides hours and minutes for the second time zone, also making it possible to follow regions using a thirty-minute offset when adjustment permits. The movement can be viewed through the sapphire back, with a signed oscillating weight and Maurice Lacroix decorative finishing. It nevertheless offers neither weekend-length autonomy nor a silicon hairspring like certain modern movements; its appeal is that of a quality classical construction that is proven and comparatively straightforward to maintain.

Chronological milestones and main models (2006–2025)

(2006) Maurice Lacroix Pontos Grand Guichet GMT Black Leather:

This configuration belongs to the earliest Grand Guichet GMT watches introduced when Maurice Lacroix expanded the Pontos collection in 2006. The Maurice Lacroix Pontos Grand Guichet GMT PT6098-SS001-330 has a 40 mm stainless-steel case approximately 12 mm thick, a domed sapphire crystal with anti-reflective treatment and a screwed transparent sapphire caseback. The black dial uses silver-coloured baton markers and luminous central hands. The large date display occupies 12 o’clock while a counter at 6 o’clock has two hands displaying the hours and minutes of a second time zone on a twelve-hour scale. Automatic calibre ML129 is based on the ETA 2892-A2, operates at 28,800 vibrations per hour, contains 21 jewels and provides approximately 42 hours of power reserve. Water resistance reaches 50 metres. A black crocodile strap with folding clasp reinforces the dressy and contemporary character of this early execution.

(2006) Maurice Lacroix Pontos Grand Guichet GMT Silver Roman Bracelet:

The silver variation demonstrates how significantly the same design can become more classical when combined with Roman numerals and a metal bracelet. The Maurice Lacroix Pontos Grand Guichet GMT PT6098-SS002-110 retains the 40 mm steel case, domed sapphire crystal, transparent back and 50 metres of water resistance of the black model. Its lighter dial, however, provides greater contrast between the different display levels and gives the impression of a slightly larger diameter. The large date remains positioned at 12 o’clock and the second-time-zone counter at 6 o’clock. Roman numerals reinforce the dress-watch orientation, while the main hands and those of the GMT counter use luminous material. Automatic calibre ML129 retains its ETA 2892-A2 architecture, 21 jewels, 28,800-vibration-per-hour frequency and approximately 42 hours of autonomy. The steel bracelet with folding clasp gives this reference a more versatile appearance and greater physical presence than crocodile-strap executions.

(2008) Maurice Lacroix Pontos Grand Guichet GMT Limited Edition 2008:

The 2008 limited edition is one of the most clearly identified variations and one of the most interesting for a collector. The Maurice Lacroix Pontos Grand Guichet GMT PT6228-SS001-130 is produced in 2,008 individually numbered examples. It uses a 40 mm stainless-steel case measuring approximately 12 to 12.5 mm thick, sapphire crystal, transparent caseback and 5 ATM water resistance. Its light or silver-coloured dial is combined with brown tones and a 20 mm brown crocodile strap, creating a noticeably warmer atmosphere than the black models. The large date remains installed at 12 o’clock and the independent second-time-zone display at 6 o’clock. The documented automatic movement is based on the ETA 2892-A2, contains 21 jewels, operates at 28,800 vibrations per hour and provides approximately 42 hours of power reserve. Its attraction lies primarily in explicitly limited production and specific styling rather than any fundamental change to the mechanical principle of the model.

(2009) Maurice Lacroix Pontos Grand Guichet GMT Black PT6208:

The PT6208 generation continues the overall Grand Guichet GMT formula with several reference and finishing adjustments. The Maurice Lacroix Pontos Grand Guichet GMT PT6208-SS001-330 still has a 40 mm stainless-steel case approximately 12 mm thick, a black dial with silver-coloured markers, a large date at 12 o’clock and second-time-zone counter at 6 o’clock. The sapphire crystal receives anti-reflective treatment and the transparent back allows the automatic movement to be viewed. Water resistance remains limited to 50 metres. The watch is notably documented on a black crocodile strap with folding clasp. Calibre ML129 retains its ETA 2892-A2 foundation and the technical logic of the earliest references, with central seconds, large date and independent indication of the second time zone. This development therefore does not attempt to reinvent the model but extends an architecture that had already found its balance in 2006. It continues to appear in retailer catalogues and inventories for several years after its introduction.

(2009) Maurice Lacroix Pontos Grand Guichet GMT Silver Bracelet PT6208:

The light-dial steel-bracelet variation is one of the most versatile executions from the second period of the model. The Maurice Lacroix Pontos Grand Guichet GMT PT6208-SS002-130 retains the 40 mm round case, domed sapphire, screwed transparent back and 50 metres of water resistance but combines its silver dial with a metal bracelet. The large date display remains at the top of the dial and the second-time-zone counter forms its visual balance at 6 o’clock. This arrangement maintains clear reading despite the five visible hands when those of the second time zone are included. Automatic calibre ML129 operates at 28,800 vibrations per hour and uses ETA 2892-A2 architecture with approximately 42 hours of autonomy. The steel bracelet substantially changes comfort and weight compared with crocodile but also makes the watch less formal and more appropriate for everyday use. New Pontos watches developed after this period adopt other complications and designs without permanently continuing this Grand Guichet GMT configuration.

Choosing the right version: dial, bracelet, 12-hour GMT and pre-owned purchase

Dial choice substantially changes the personality of the watch. Black versions with markers have a more contemporary appearance and make the hands and two complications immediately visible. Silver or light dials, especially when associated with Roman numerals, create a more classical result. The black dial is probably the best choice if the Pontos Grand Guichet GMT is intended to be worn with both professional and casual clothing. Lighter versions will appeal more strongly to someone seeking a genuine dress watch from the 2000s.

The GMT function also needs to be understood before purchase. Unlike many current travel watches, the Pontos does not use a central 24-hour hand but a small independent dial displaying hours and minutes over twelve hours. This solution is highly legible but does not directly provide day-or-night information for the second zone. The 6 o’clock counter is particularly suitable when regularly following one city or office whose day-night relationship is already familiar. For frequent travel through several different time zones, a modern GMT with a 24-hour indication may provide more information.

The leather strap corresponds most closely to the original design. It visually lightens the case and gives greater prominence to the large dial. The steel bracelet adds weight and creates a less formal appearance, but can be difficult and expensive to find separately for an older watch. An example sold with its complete original steel bracelet therefore deserves particular attention. With leather, retaining the Maurice Lacroix folding clasp is more important because a worn 20 mm strap can be replaced much more easily.

The approximately 42-hour power reserve was respectable for the period but is modest compared with modern movements offering 70 or 80 hours. A watch removed on Friday evening will generally have stopped by Monday morning. The large date then also needs to be corrected. The Pontos Grand Guichet GMT is better suited to regular use than to an infrequent rotation involving many watches. In return, the ETA 2892-A2 serving as the foundation of the ML129 remains a familiar architecture, an appreciated advantage when servicing becomes necessary.

Finally, the age of available examples makes it necessary to inspect more than the appearance of the dial. Correct operation of both digits of the large date, adjustment of the second time zone, movement accuracy, winding, sapphire back and condition of the crown should all be checked. The original 50-metre water-resistance rating should not be assumed still to be available after fifteen or twenty years. A recent water-resistance test is essential before any deliberate exposure to water. Documented servicing and the presence of the box, papers and bracelet components can also make a significant difference on a reference now available almost exclusively pre-owned. Other customers’ opinions are essential.

Conclusion

The Maurice Lacroix Pontos Grand Guichet GMT is aimed at enthusiasts seeking an elegant travel watch whose complications are presented very differently from those of a traditional sporting GMT. Its large date at 12 o’clock and second time zone at 6 o’clock create an immediately identifiable and remarkably symmetrical dial. The 40 mm case remains easy to wear, while black or silver dials and leather or steel attachments provide a choice between contemporary and more classical appearances. The ML129 calibre based on the ETA 2892-A2 does not offer the autonomy of recent movements but benefits from a proven architecture and 4 Hz frequency. The 2008 limited PT6228 adds particular collector interest, while PT6098 and PT6208 remain the references most representative of the model.

To compare large-date legibility, real-world use of the second time zone, comfort and long-term reliability with actual owner experiences, Dialicious customer reviews provide a particularly useful complement.

(Updated August 2026)