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Pisa 1940: top ten summer watches

There is a time of year when time changes shape. It happens in summer, when the days get longer, thoughts slow down and every moment is filled with new nuances. Suddenly, time ceases to be a measure and becomes a sensation. A sunset that lasts longer, a dive that seems to suspend your breath, a barefoot walk that stays etched in your memory. It is in this season that time is rediscovered as precious, not only to be lived, but also to be worn.

That’s why a watch becomes more than an accessory. It is a companion for travel, style and experiences. It marks emotions, adapts to the slow pace of holidays or accompanies the adrenaline rush of a dive. And it says a lot about the person wearing it: their taste, personality and desire to live every second to the fullest. With this in mind, Sea Time has selected some of the most interesting items available on the Pisa 1940 website: watches that combine elegance and sportiness, heritage and innovation. Timepieces capable of withstanding water, but above all the passage of time, with the timeless charm of icons and the efficiency of the best calibres. Because, after all, in summer, every moment has a different value. And deserves to be celebrated in style.

Onboard Custom Line 50

ZENITH DEFY Extreme Diver: time beyond all limits

Zenith pushes diving watchmaking to new limits with the DEFY Extreme Diver, a timepiece designed to withstand extreme conditions and record depths. With a 42.5 mm titanium case and a unidirectional rotating bezel in blue ceramic, this model combines resistance, lightness and maximum legibility thanks to its Super-LumiNova luminescent details.

Available with a blue soleil dial and high-visibility orange finishes, the DEFY Extreme Diver is water-resistant to 600 metres and certified to ISO standards for professional diving watches. Inside, the El Primero 3620-SC automatic calibre is visible through a new transparent case back. Three interchangeable straps complete the outfit: a titanium bracelet, technical rubber and one made from recycled fishing nets, perfect for wearing over a wetsuit. Performance, innovation and sustainability come together in a diver that looks to the future with style. More info on this whatch here.

Fifty Fathoms Bathyscaphe Chronographe Flyback green conquers the depths

The Fifty Fathoms Bathyscaphe has long been one of the cornerstones of Blancpain’s production. Renowned for its underwater performance and timeless elegance, it is now available in a flyback chronograph version entirely dressed in green: a refined shade, the result of a complex and meticulous process involving dozens of steps, from the soleil finish to the final colouring, capable of producing iridescent reflections and surprising depths with a metallic effect. The dial, an expression of artisanal savoir-faire, stands out for its luminosity and wealth of details, such as the blue counters that add three-dimensionality. This chronograph is powered by the F385 automatic calibre, visible through the sapphire crystal case back. With a frequency of 5 Hz, it guarantees precision to the nearest tenth of a second and incorporates a vertical clutch with column wheel, as well as a flyback function for instant reset of the chronograph. The 43.6 mm case is made of satin-finished black ceramic, paired with a rotating bezel with a green ceramic insert. The strap, available in NATO or sailcloth, completes a watch designed to tackle the depths with style and cutting-edge technology. More info on this watch here.

Girard-Perregaux Deep Diver: a dive into time

When tradition meets bold creativity, the result is bound to leave its mark. This is exactly what has happened with the latest reinterpretation of Girard-Perregaux’s Deep Diver, the result of a collaboration with Bamford Watch Department. A combination that blends heritage and contemporary spirit, bringing back to life a 1970s icon with a style that today captivates with its visual impact and identity. The story began in 1969 with the “cushion” case, continued in 1971 with an unconventional dial and is now renewed with strong, bold colour details: the intense orange of the dial is enlivened by blue and white accents, while the inner bezel is operated by the crown at 2 o’clock. The Bamford signature appears at 6 o’clock and the vintage GP logo at 12 o’clock: past and present find perfect balance. The watch is built to tackle the depths with a 40.3 x 38 mm grade 5 titanium case, guaranteed water resistance to 200 metres and optimal readability thanks to blue luminescent hour markers and hands. The sapphire crystal case back features the trident and sea waves, symbols of an underwater spirit that does not forget aesthetic detail. The timepiece is powered by the GP03300 calibre: an automatic movement with a 46-hour power reserve. A double rubber strap – blue or orange – completes the outfit. The Deep Diver is not only a tribute to the past, but also a style statement for the future. A timepiece for those who want something that won’t go unnoticed. Not even 200 metres below sea level. More info on this whatch here.

Longines Legend Diver takes on a terracotta hue

The Longines Legend Diver continues to reinvent itself without compromising its identity. This is confirmed by the new terracotta colour of this version, emphasised by the design of the dial. A colour restyling that does not affect the technical vocation of a watch that has made reliability and functionality its hallmarks.

The 39 mm steel case guarantees water resistance to 300 metres, while inside beats the Longines L888.6 calibre, an automatic movement with a silicon balance spring, protected from magnetic fields ten times greater than ISO 764 standards and equipped with a 72-hour power reserve. The domed dial, with no date to maximise readability, is protected by a sapphire crystal with anti-reflective treatment.

The applied hour markers, Arabic numerals and arrow-shaped hands are coated with Super-LumiNova® to ensure visibility even in extreme conditions. A distinctive detail: the luminescent tip of the seconds hand, essential for checking correct functioning during diving. On the case back, an engraved relief of a diver seals the unbreakable bond between this model and the marine world. More info on this whatch here.

Ulysse Nardin presents the Diver [AIR], the lightest mechanical diver ever made

Light as air. That is the promise – and the reality – of the new Diver [AIR] by Ulysse Nardin, the lightest mechanical diving watch ever made, weighing just 52 grams (46 without the strap). This achievement combines over twenty years of experience in working with high-tech materials with a radical engineering vision that rewrites the rules of sports watchmaking. At the heart of the new Diver [AIR] is the UN-374 automatic calibre, skeletonised and reduced to the essentials, but without compromising on robustness and precision. Weighing just 7 grams, the movement guarantees a power reserve of 90 hours, with redesigned triangular bridges – a shape inspired by structural engineering – to ensure rigidity and shock resistance up to 5000 g. In short, lightness is not synonymous with fragility. The 44 mm case is also a concentrate of innovation and sustainability. The central part is made from 90% recycled titanium (sourced from Thyssenkrupp and TiFast), while the side parts use Nylo®-Foil, a combination of recycled fishing nets (60%, from Fil & Fab) and regenerated carbon fibres (40%, from CDK Technologies). The concave rotating bezel is made of CarbonFoil, composed of 100% recovered carbon fibres, and paired with a domed sapphire crystal. All this is enclosed in a thickness of only 14.7 mm. Manufactured in accordance with ISO standards for diving watches, the Diver [AIR] does not compromise on automatic winding and comes with two elasticated technical fabric straps – white and orange – that are easily interchangeable and equipped with Velcro fastenings. With 80% of its internal space composed of air and only 20% of material, the new Diver [AIR] represents a visionary synthesis of design, technology and sustainability. An exercise in extreme engineering that bears the unmistakable signature of Ulysse Nardin. More info on this whatch here.

Tudor Pelagos 39: the diver that combines technology and elegance

The 39 mm titanium case retains the sporty character of Tudor’s Pelagos collection, but is enhanced with refined details such as the black ceramic dial and bezel with a satin-finished sunburst finish. A balanced contrast between matt and polished surfaces gives the Pelagos 39 a distinctive personality, halfway between performance and style.

The luminescent ceramic hour markers and satin-finished conical flange enhance readability, while the name “Pelagos” in cherry red at 6 o’clock elegantly breaks up the dominant two-tone colour scheme. The Pelagos 39 is powered by the COSC-certified MT5400 manufacture calibre with a silicon hairspring. In addition to guaranteeing precision that exceeds official standards, it boasts a power reserve of approximately 70 hours, accompanying the wearer even on the longest weekends.

Two strap options complete the offering: a satin-finished titanium bracelet with a “T-fit” clasp for quick and precise adjustment (even over a wetsuit), or a black rubber strap with a titanium buckle and 110 mm extension for a perfect fit in any situation. With the Pelagos 39, TUDOR once again demonstrates how technology can meet elegance without compromising on the reliability that has made the brand iconic. A diving instrument, yes, but with the charm of a timepiece that can be worn every day. More info on this whatch here.

Panerai: the perfect balance between innovation and heritage

With the new Luminor Marina Titanio PAM003325, Panerai reaffirms its commitment to innovation through the skilful use of high-tech materials and an aesthetic that recalls the brand’s military roots. The star of the show is the 44 mm case in grade V titanium with a satin finish, complemented by a satin-finished titanium bezel and a domed sapphire crystal. A robust yet lightweight material — 44% lighter than steel — titanium guarantees corrosion resistance and maximum wearability, even in extreme conditions. The use of titanium, introduced by Panerai back in the 1980s with the Millemetri prototype and subsequently brought back into the collection in 1998 with the Submersible PAM00025, has become a hallmark of the Maison’s technical approach.

This functional vocation is also reflected in the mechanical heart of the watch. The movement is the automatic calibre P.980, developed and assembled in-house. With a thickness of 4.2 mm, 23 jewels and a total of 177 components, the calibre beats at 28,800 vibrations per hour, is equipped with an Incabloc® anti-shock device, a stop-seconds function and boasts a power reserve of three days. Functions include hours, minutes, small seconds and date. The aesthetics are entrusted to the olive green dial with a satiné-soleil finish, constructed with a sandwich structure and hour markers filled with white Super-LumiNova® X2 for maximum readability, even in low light conditions. The date window is located at 3 o’clock, while the small seconds are at 9 o’clock. The watch is completed by a grey calfskin strap with contrasting stitching and a second dark green rubber strap, designed to offer versatility and comfort on any occasion. The grade V titanium case back with sapphire crystal allows the movement to be admired in action, sealing a design that combines mechanical savoir-faire, sporting spirit and a strong stylistic identity. More info on this whatch here.

TAG Heuer Aquaracer Professional 300 Date: essential, robust, ready for anything

Technical performance, elegant design. The new TAG Heuer Aquaracer Professional 300 Date reinforces the link between sports watchmaking and functional innovation. Water-resistant to 300 metres (30 bar), it is designed to accompany every dive with confidence and style. The design retains the iconic dodecagonal bezel, now featuring a scratch-resistant ceramic insert and side engravings that improve grip even when wearing gloves. The internal mechanism of the bezel has been completely redesigned to ensure smoother and quieter rotation. The 42 mm steel case has been resized for greater ergonomics and lightness.

The shortened lugs and bevelled profile add harmony and comfort to the wrist. At 6 o’clock, the date window is paired with a new magnifying lens integrated under the sapphire crystal for easy reading from any angle. Inside, the TAG Heuer calibre 5 automatic movement beats with a 38-hour power reserve and 28,800 vibrations per hour, guaranteeing precision and reliability even in the most extreme conditions. The watch is completed by a high-performance black rubber strap with a sophisticated quick-adjustment system, ideal for a perfect fit on the bare wrist or over a diving suit. More info on this whatch here.

Baume & Mercier Riviera: mint green conquers the summer

Some watches do more than just tell the time; they capture a mood, an emotion, a landscape. The Baume & Mercier Riviera ref. 10611 does just that: with its mint green dial – clear, fresh and vibrant – it evokes the world’s most crystal-clear waters or expanses of pine trees overlooking the ocean. An intense shade that speaks of nature, freedom and summer. The surface of the dial is enriched with transparent waves, which amplify the effect of depth and light. The riveted and rhodium-plated Roman numerals interact with the white Super-LumiNova® (C1, blue emission) coated hour markers, while the faceted hands, also rhodium-plated, offer perfect legibility even in low light conditions.

The date window at 3 o’clock is discreetly integrated, maintaining balance and visual clarity. The 36 mm diameter, 9.5 mm thick stainless steel case alternates polished and satin finishes for a sophisticated yet dynamic effect. The dodecagonal bezel, an iconic feature of the Riviera collection, is secured by four polished screws and features a sunburst finish that echoes the play of light on the water. The scratch-resistant sapphire crystal is anti-reflective on both sides, while the solid screw-down case back echoes the geometric profile of the bezel. The octagonal crown is embossed with the Phi logo, a distinctive symbol of balance and proportion. The Baume & Mercier Riviera 10611 is more than a watch: it is an invitation to experience time with lightness and style, following the rhythm of nature and the sea. Modern elegance born from the encounter between design, technology and charm. More info on this whatch here.

Pisa 1940 and Hublot: celebrating Milan

Some collaborations are not just long-lasting: they grow stronger, transform and renew themselves. This is the case with the bond between Pisa 1940 and Hublot, a relationship born under the sign of a shared vision and which has grown over the years to reach new, surprising horizons. Today, this creative dialogue is enriched with a new chapter: the first special edition dedicated exclusively to the Milanese boutique. Unveiled at LVMH Watch Week, the Classic Fusion Boutique Pisa 1940 is much more than a watch: it is a manifesto of style, architecture and urban spirit. Created in collaboration with Vittorio Carena Studio, the three limited editions reinterpret Hublot’s Classic Fusion with an aesthetic that blends design rigour and expressive freedom.

The dial, the true star of this creation, is a tribute to the Galleria Vittorio Emanuele II: a geometric and luminous composition inspired by its famous dome, captured on a Sunray blue background that recalls the shades of the sky, but also the depth of the sea. And it is precisely the colour blue, so present in all three references that make up this exclusive collection, that becomes a metaphor for a broader connection. Not only with Milan, a city of architecture and design, but also with the very idea of exploration and the horizon: the marine horizon, made up of depths and reflections, apparent calm and hidden strength. A subtle but powerful reference to the world of water, which blends well with the sporty elegance of the Classic Fusion line. With its 42 mm case and unmistakable blend of technical innovation and formal refinement, this special edition fully embodies the Art of Fusion, the concept that has always guided Hublot: merging worlds, materials, cultures and visions.

And if time cannot be stopped, at least you can decide which watch to wear while travelling through it. A limited edition available in only 25 pieces in total, available in three sophisticated versions: ten in black ceramic, ten in titanium and five in 18K King Gold, the exclusive alloy developed by Hublot that gives the material a unique hue. Each piece is powered by the HUB1110 self-winding movement. More info on this watch here.

Matteo Zaccagnino

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