- Exclu boutique
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Tudor Black Bay 54 "Lagoon Blue" automatic blue dial steel bracelet 37 mm
- Exclu boutique
- NEW
With the Black Bay 54 “Lagoon Blue,” TUDOR invites us on a journey away from everyday life to an imaginary place bathed in sunshine, where the sound of waves mingles with the reflections of the sky in turquoise water. With a 37 mm case with clean lines, a textured dial recalling sand, and a mirrored bezel that catches the light like a lagoon, this watch is much more than a technical object – it is a promise of escape.
An invitation to escape
When you slip a TUDOR onto your wrist, you are transported to another world. A world of perfect beaches, where azure waves lap against white sand dotted with seashells. With the Black Bay 54 “Lagoon Blue,” TUDOR offers much more than a watch: it opens up new perspectives, like a gateway to a sunny world.
Its 37 mm case is perfectly proportioned and fits naturally on the wrist, while its vibrant, sandblasted “Lagoon Blue” dial recalls the sea, the sun, and the sweetness of life. Every detail seems to capture a moment suspended in time, like a photograph of a perfect instant. Its mirror-polished bezel, without markings, reflects azure skies and sunsets, like a mirror of eternal vacation.
But that's not all. What makes this watch truly captivating is the unique combination of the sand-effect dial and a five-link bracelet whose polished center links catch the light like the surface of a peaceful lagoon. The overall effect recalls a feeling of fulfillment, a break from the hectic pace of everyday life, as if you were gently swaying in a hammock strung between two palm trees, just above the waves lapping gently on the warm sand.
The Black Bay 54 “Lagoon Blue” does more than just tell the time. It invites you to slow down, feel, savor. It encapsulates the most beautiful memories of summer – forever.
Reinvented heritage
The Black Bay 54 is undoubtedly the most historically faithful watch ever designed by TUDOR. It follows the tradition of the Black Bay line, which draws inspiration from the brand's iconic diving watches, while adding subtle and confident modern touches.
For this “Lagoon Blue” edition, TUDOR has revisited the DNA of its very first modern diving watch: the Oyster Prince Submariner reference 7922, launched in 1954. This legendary model, tested and adopted by the French and US Marines, is also one of the favorites of professional diving pioneers. The Black Bay 54 pays homage to this icon.
It features a “small crown” without a guard, as on the first 7922 models, which did not yet have the famous red triangle at 12 o'clock that would later become an aesthetic signature. All of this contributes to a sober, refined, and functional silhouette.
TUDOR has even carefully reproduced the minute hand with its beveled base, in proportions that have been revised to balance the 37 mm case. The seconds hand is also as close as possible to the original, reinforcing the almost organic link between the two generations.
The profile of the bezel is directly inherited from the 7922 reference, as are the discreet markings on its steel insert. But far from being a nostalgic reinterpretation, the Black Bay 54 also asserts its contemporary character with a “sand-blasted” dial, a latest-generation T-fit clasp, and the Manufacture caliber MT5400, a state-of-the-art movement combining robustness, precision, and everyday comfort.
The result is a watch with a deeply vintage charm, powered by today's most demanding technical standards.
MT5400 Manufacture caliber: built to last
Equipped with the MT5400 manufacture movement, the Black Bay 54 “Lagoon Blue” combines tradition and high performance. This COSC-certified caliber, with a silicon balance spring and variable inertia balance wheel, guarantees chronometric precision (-2/+4 s/day).
Its 70-hour power reserve is designed for the modern lifestyle: set it on Friday evening and it will be there for you on Monday morning.
Its robust architecture with a traversing bridge and satin-finished, sandblasted and laser-engraved finishes reflects TUDOR's commitment to watchmaking excellence.
Strap and everyday comfort
The TUDOR Black Bay 54 “Lagoon Blue” is fitted with a five-piece steel bracelet, entirely satin-finished on the outer links, while the center links are polished, capturing the light like the shifting reflections on the surface of the water. This subtle alternation between matte and polished finishes enhances the sunny elegance of the model.
The bracelet features TUDOR’s exclusive “T-fit” clasp, a quick adjustment system that allows for instant adjustment in five positions, covering an 8-millimeter window. An ideal solution for adapting to the natural variations of the wrist and ensuring perfect comfort from morning to night.
Another technical feature is that the clasp is based on a ceramic ball system, ensuring a reliable, durable and smooth closure, while offering a crisp and pleasant feel. A technical finish that reflects the extreme care TUDOR takes in the user experience.
Specifications






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Brand
- Tudor
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Reference
- M79000-0001
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Condition
- New
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Country of manufacture
- Switzerland
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Warranty
All of our watches and jewelry are covered by an effective warranty for a minimum of two years. This can be extended depending on the brands and products purchased on our site. For any question concerning the conditions relating to our guarantees: hello@lepage.fr
- 5 years - Transferable, no registration
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Brand Collection
- Black Bay 54 - Tudor
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Launch year
- 2025
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Gender
- Unisex
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Must-Have / Essentials
- New
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Case material
- Stainless steel
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Water Resistant
- 200 m
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Diameter
- 37 mm
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Crystal
- Breaks and scratches with difficulty, Domed
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Watch movement
- In house automatic movement
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Movement model
- Tudor MT5400
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Power reserve
- 70 hours
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Strap materials
- Stainless steel
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Buckle
- Deployant clasp
- Name
- Lagoon Blue
- Case shape
- Round
- Case material
- Stainless steel
- Finishing of the case
- Brushed and polished
- Lugs
- Stainless steel
- Water Resistant
- 200 m
- Diameter
- 37 mm
- Case Length
- 46 mm
- Case Thickness
- 11,2 mm
- Case features
- Closed back, Screwed back, Fond acier inoxydable
- Crown
- 3 o'clock, Screw-down crown, Steel, Adorned with the TUDOR rose in relief
- Crystal
- Breaks and scratches with difficulty, Domed
- Bezel
- Unidirectional, Rotatable, 60 minute scale
- Bezel color
- Grey
- Bezel / Insert material
- Steel
- Dial
- Textured, Curved, Golden details
- Dial color
- Blue
- Marker
- Applied, Superluminova, Rimmed
- Dial type
- 3 hands
- Display
- Analog
- Lume
- Super-LumiNova
- Hands
- Snowflakes hands, Gold, Luminescent
- Watch movement
- In house automatic movement
- Movement model
- Tudor MT5400
- Balance frequency
- 28 800 Vibrations per hour (VpH) (4 Hz)
- Stones
- 27 rubis
- Complications/functions
- Stop-second, Hours Minutes Seconds
- Specific characteristics
- Silicon spiral
- Power reserve
- 70 hours
- Movement certification
- Officially Certified Chronometer (COSC)
- Strap materials
- Stainless steel
- Strap finish
- Brushed, Polished, 5 rows mesh
- Strap color
- Steel
- Buckle
- TUDOR "T-fit" clasp
Some watches tell the time. Others make you want to. The Black Bay 54 “Lagoon Blue” belongs to the latter category. It's a watch that speaks to the eye, the heart and the wrist. It evokes summer, light and the discreet luxury of a moment suspended between sky and sea. Its sandblasted dial, mirrored bezel and fluid, polished bracelet are all sensations. And yet, beneath this softness lies the solidity of a COSC manufacture caliber and the exacting standards of a TUDOR instrument. A watch like a perfect moment, that you decide to wear every day.

Lepage is an official Tudor reseller
