Black Bay 54 “Lagoon Blue”

79000

Brand  : Tudor
Collection  : Black Bay
Model  : Black Bay 54 “Lagoon Blue”
Reference  : 79000
Complement : Steel - Blue Dial - Bracelet Steel
On sale : 2025

4 240 €Recorded list price in FranceAt the launch of the watch

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Black Bay 54 “Lagoon Blue”

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  • Brand  : Tudor
    Collection  : Black Bay
    Model  : Black Bay 54 “Lagoon Blue”
    Reference  : 79000
    Complement : Steel - Blue Dial - Bracelet Steel
    On sale : 2025
    List Price : 4 240 €
    Diameter : 37 mm
    Styles : Sporty
    Types : Self-winding
    Calibre : MT5400
    Calibre distinction : Chronometer
    COSC certified
    Complication : Hours; minutes and seconds hands at the centre
    Stop-seconds for precise time setting
    Case material : Steel
    Case peculiarity : 60-minute unidirectional bezel in stainless steel with mirror-polished steel insert devoid of minute graduations
    Stainless steel screw-down crown with the TUDOR rose in relief
    Shape : Round
    Water-resistance : 200 meters
    Dial : Domed
    Dial color : Blue
    Glass : Domed
    Sapphire
    Strap material : Steel
    + More characteristics :
    Movement
    Manufacture Calibre MT5400 (COSC)
    Self-winding mechanical movement with bidirectional rotor system
    POWER RESERVE
    Power reserve of approximately 70 hours
    PRECISION
    Swiss Chronometer officially certified by the COSC (Official Swiss Chronometer Testing Institute)
    OSCILLATOR
    Variable inertia balance, micro- adjustment screw
    Non-magnetic silicon balance spring
    Frequency: 28,800 beats/hour (4 Hz)
    TOTAL DIAMETER
    30.3mm
    THICKNESS
    5mm
    JEWELS
    27 jewels

    Case
    Stainless steel case with polished and satin finish

    Dial
    Lagoon Blue, domed and textured

    Bracelet / Buckles
    Five-link stainless steel bracelet with polished and satin finish, with TUDOR "T-fit" clasp

DESCRIPTION

  • BLACK BAY 54 "LAGOON BLUE"

    A watch might display the time, but this watch makes time melt away. Pack your bags, because we’re going somewhere idyllic.

    Wearing a TUDOR has the power to mentally transport you somewhere—and with the Black Bay 54 "Lagoon Blue", that somewhere is warm, the sun is shining, and waves of azure water are gently lapping against shell-dotted white sand beach. A watch can do more than tell time, it can shik your mindset. With a perfectly proportioned 37mm case and a "Lagoon Blue" dial plucked straight from paradise, this is the ideal complement to seasons full of sunsets, sand, and slowing down.

    But it’s not only the case size that casts a spell on those who wear the newest Black Bay 54 iteration. It’s also in the magical combination of the sand-textured dial and mirror-polished bezel, not to mention the five-link bracelet that wraps perfectly around your wrist and feels like laying down in a well-worn hammock laced up between two palm trees right where the water meets the sand.

    This is the watch that perfectly captures those dreamy vibes of summertime—forever.

    "A watch can do more than tell time, it can shifi your mindset. With a perfectly proportioned 37mm case and a "Lagoon Blue" dial plucked straight from paradise, this is the ideal complement to seasons full of sunsets, sand, and slowing down."

    DIVING INTO THE PAST

    The Black Bay line was conceived with the past in mind. Honouring the important designs that laid the foundation of TUDOR’s unique aesthetic is of the highest importance. While the Black Bay line has always incorporated signature elements of past TUDOR dive watches, the Black Bay 54 is perhaps the most true-to-form Black Bay to have been created thus far. The Oyster Prince Submariner reference 7922 is a formidable candidate to draw inspiration from, as it was known to have been evaluated and consequently adopted by the French and US Navies and widely used by diving professionals.
    The earliest iterations of the 7922 used a "small crown" and eschewed the later emblematic red triangle at 12 o’clock for a cleaner, more uniform aesthetic.

    The Black Bay 54 follows this tradition. In fact, the Black Bay 54 recalls a number of small design details that make a big difference. Take the hands for instance, in addition to proportional adjustments, they’re pinched at the base, the same way they appeared in 1954.
    The bezel edge has been redesigned as well, with a modernized take on the ergonomic pattern of the 7922. Of course, the Black Bay 54 still features thoroughly modern touches, like a subtle sand-textured dial and a "T-fit" clasp for the perfect fit. And of course, the cutting-edge Manufacture Calibre MT5400.

    5-LINK STEEL BRACELET

    The Black Bay 54 is fitted with an entirely satin-brushed 5-link steel bracelet, complete with the TUDOR "T-fit" clasp equipped with a system for rapid length adjustment. Easy to use, requiring no tools and offering five positions, this practical system allows wearers to carry out a fine, instant adjustment of the total length of the bracelet along an adjustment window of 8mm.

    The clasp features ceramic ball bearings that ensure a smooth and secure closure in addition to adding a pleasing tactile element to the action of the clasp.

    THE MANUFACTURE CALIBRE MT5400

    The Manufacture Calibre MT5400, with which the Black Bay 54 is equipped, displays hour, minute and second functions. It has the finish typical of TUDOR Manufacture Calibres: Its rotor in tungsten monobloc is openwork and satin-brushed with sand-blasted details, and its bridges and mainplate have alternate sand-blasted, polished surfaces and laser decorations.

    Its build is designed to ensure robustness and precision. To do this, the variable inertia balance wheel is maintained by a sturdy traversing bridge with a two-point anchoring.

    This system, together with its non-magnetic silicon hairspring, enables the Manufacture Calibre MT5400 to function within a tolerance range of 6 seconds (-2/+4) tested on a fully assembled watch.

    Another notable feature is that the power reserve of the Manufacture Calibre MT5400 is "weekend-proof"; that is to say, it has a 70-hour power reserve, which enables the wearer to take the watch off on a Friday evening and put it back on again on Monday morning without having to wind it. Even if you need a weekend away, your watch does not.

    "The Manufacture Calibre MT5400 is "weekend-proof"; that is to say, it has a 70-hour power reserve, which enables the wearer to take the watch off on a Friday evening and put it back on again on Monday morning without having to windit."

    THE ESSENCE OF BLACK BAY

    The Black Bay line features dials inspired by the TUDOR divers’ watches produced during the 1950s. It borrows the characteristic angular hands known to collectors as "Snowflake" from models that appeared in the brand’s 1969 catalogue. Its unprotected crown and the characteristics of its case are reminiscent of the first generations of TUDOR divers' watches.

    The Black Bay line is the result of the subtle blend of traditional aesthetics and contemporary watchmaking. Far from simply being an identical re-release of a classic, it brings together over seventy years of TUDOR dive watches, whilst at the same time being resolutely anchored in the present. It is neo-vintage in conception, yet its manufacturing techniques, reliability, robustness and the quality of its finish are consistent with today's more rigorous requirements.

    THE TUDOR MANUFACTURE

    Every TUDOR watch is assembled and fully tested to TUDOR’s superior standards at the new TUDOR Manufacture located in Le Locle, Switzerland.

    This new state-of-the-art facility, bringing together the know- how of watchmakers with the best in production management and automated testing systems, was completed in 2021 aker three years of construction.

    All decked out in TUDOR red, the Manufacture spans over four levels totalling 5,500 square meters and is physically and visually connected to the neighbouring Kenissi Manufacture, the TUDOR movement production facility founded in 2016. With Kenissi and a network of TUDOR-owned affiliates, the brand has been able to integrate the development and production of high- performance mechanical calibres. As a consequence, TUDOR now fully masters the manufacturing of strategic components and can guarantee their quality.

  • BLACK BAY 54 "LAGOON BLUE"

    A watch might display the time, but this watch makes time melt away. Pack your bags, because we’re going somewhere idyllic.

    Wearing a TUDOR has the power to mentally transport you somewhere—and with the Black Bay 54 "Lagoon Blue", that somewhere is warm, the sun is shining, and waves of azure water are gently lapping against shell-dotted white sand beach. A watch can do more than tell time, it can shik your mindset. With a perfectly proportioned 37mm case and a "Lagoon Blue" dial plucked straight from paradise, this is the ideal complement to seasons full of sunsets, sand, and slowing down.

    But it’s not only the case size that casts a spell on those who wear the newest Black Bay 54 iteration. It’s also in the magical combination of the sand-textured dial and mirror-polished bezel, not to mention the five-link bracelet that wraps perfectly around your wrist and feels like laying down in a well-worn hammock laced up between two palm trees right where the water meets the sand.

    This is the watch that perfectly captures those dreamy vibes of summertime—forever.

    "A watch can do more than tell time, it can shifi your mindset. With a perfectly proportioned 37mm case and a "Lagoon Blue" dial plucked straight from paradise, this is the ideal complement to seasons full of sunsets, sand, and slowing down."

    DIVING INTO THE PAST

    The Black Bay line was conceived with the past in mind. Honouring the important designs that laid the foundation of TUDOR’s unique aesthetic is of the highest importance. While the Black Bay line has always incorporated signature elements of past TUDOR dive watches, the Black Bay 54 is perhaps the most true-to-form Black Bay to have been created thus far. The Oyster Prince Submariner reference 7922 is a formidable candidate to draw inspiration from, as it was known to have been evaluated and consequently adopted by the French and US Navies and widely used by diving professionals.
    The earliest iterations of the 7922 used a "small crown" and eschewed the later emblematic red triangle at 12 o’clock for a cleaner, more uniform aesthetic.

    The Black Bay 54 follows this tradition. In fact, the Black Bay 54 recalls a number of small design details that make a big difference. Take the hands for instance, in addition to proportional adjustments, they’re pinched at the base, the same way they appeared in 1954.
    The bezel edge has been redesigned as well, with a modernized take on the ergonomic pattern of the 7922. Of course, the Black Bay 54 still features thoroughly modern touches, like a subtle sand-textured dial and a "T-fit" clasp for the perfect fit. And of course, the cutting-edge Manufacture Calibre MT5400.

    5-LINK STEEL BRACELET

    The Black Bay 54 is fitted with an entirely satin-brushed 5-link steel bracelet, complete with the TUDOR "T-fit" clasp equipped with a system for rapid length adjustment. Easy to use, requiring no tools and offering five positions, this practical system allows wearers to carry out a fine, instant adjustment of the total length of the bracelet along an adjustment window of 8mm.

    The clasp features ceramic ball bearings that ensure a smooth and secure closure in addition to adding a pleasing tactile element to the action of the clasp.

    THE MANUFACTURE CALIBRE MT5400

    The Manufacture Calibre MT5400, with which the Black Bay 54 is equipped, displays hour, minute and second functions. It has the finish typical of TUDOR Manufacture Calibres: Its rotor in tungsten monobloc is openwork and satin-brushed with sand-blasted details, and its bridges and mainplate have alternate sand-blasted, polished surfaces and laser decorations.

    Its build is designed to ensure robustness and precision. To do this, the variable inertia balance wheel is maintained by a sturdy traversing bridge with a two-point anchoring.

    This system, together with its non-magnetic silicon hairspring, enables the Manufacture Calibre MT5400 to function within a tolerance range of 6 seconds (-2/+4) tested on a fully assembled watch.

    Another notable feature is that the power reserve of the Manufacture Calibre MT5400 is "weekend-proof"; that is to say, it has a 70-hour power reserve, which enables the wearer to take the watch off on a Friday evening and put it back on again on Monday morning without having to wind it. Even if you need a weekend away, your watch does not.

    "The Manufacture Calibre MT5400 is "weekend-proof"; that is to say, it has a 70-hour power reserve, which enables the wearer to take the watch off on a Friday evening and put it back on again on Monday morning without having to windit."

    THE ESSENCE OF BLACK BAY

    The Black Bay line features dials inspired by the TUDOR divers’ watches produced during the 1950s. It borrows the characteristic angular hands known to collectors as "Snowflake" from models that appeared in the brand’s 1969 catalogue. Its unprotected crown and the characteristics of its case are reminiscent of the first generations of TUDOR divers' watches.

    The Black Bay line is the result of the subtle blend of traditional aesthetics and contemporary watchmaking. Far from simply being an identical re-release of a classic, it brings together over seventy years of TUDOR dive watches, whilst at the same time being resolutely anchored in the present. It is neo-vintage in conception, yet its manufacturing techniques, reliability, robustness and the quality of its finish are consistent with today's more rigorous requirements.

    THE TUDOR MANUFACTURE

    Every TUDOR watch is assembled and fully tested to TUDOR’s superior standards at the new TUDOR Manufacture located in Le Locle, Switzerland.

    This new state-of-the-art facility, bringing together the know- how of watchmakers with the best in production management and automated testing systems, was completed in 2021 aker three years of construction.

    All decked out in TUDOR red, the Manufacture spans over four levels totalling 5,500 square meters and is physically and visually connected to the neighbouring Kenissi Manufacture, the TUDOR movement production facility founded in 2016. With Kenissi and a network of TUDOR-owned affiliates, the brand has been able to integrate the development and production of high- performance mechanical calibres. As a consequence, TUDOR now fully masters the manufacturing of strategic components and can guarantee their quality.

  • Brand  : Tudor
    Collection  : Black Bay
    Model  : Black Bay 54 “Lagoon Blue”
    Reference  : 79000
    Complement : Steel - Blue Dial - Bracelet Steel
    On sale : 2025
    List Price : 4 240 €
    Diameter : 37 mm
    Styles : Sporty
    Types : Self-winding
    Calibre : MT5400
    Calibre distinction : Chronometer
    COSC certified
    Complication : Hours; minutes and seconds hands at the centre
    Stop-seconds for precise time setting
    Case material : Steel
    Case peculiarity : 60-minute unidirectional bezel in stainless steel with mirror-polished steel insert devoid of minute graduations
    Stainless steel screw-down crown with the TUDOR rose in relief
    Shape : Round
    Water-resistance : 200 meters
    Dial : Domed
    Dial color : Blue
    Glass : Domed
    Sapphire
    Strap material : Steel
    More characteristics :
    Movement
    Manufacture Calibre MT5400 (COSC)
    Self-winding mechanical movement with bidirectional rotor system
    POWER RESERVE
    Power reserve of approximately 70 hours
    PRECISION
    Swiss Chronometer officially certified by the COSC (Official Swiss Chronometer Testing Institute)
    OSCILLATOR
    Variable inertia balance, micro- adjustment screw
    Non-magnetic silicon balance spring
    Frequency: 28,800 beats/hour (4 Hz)
    TOTAL DIAMETER
    30.3mm
    THICKNESS
    5mm
    JEWELS
    27 jewels

    Case
    Stainless steel case with polished and satin finish

    Dial
    Lagoon Blue, domed and textured

    Bracelet / Buckles
    Five-link stainless steel bracelet with polished and satin finish, with TUDOR "T-fit" clasp