Yes—if you want a compact dive watch with a bright blue dial and a polished, jewelry-like finish. The TUDOR Black Bay 54 “Lagoon Blue” pairs a 37 mm case and 200 m water-resistance rating with a five-link bracelet and quick-adjust T-fit clasp. Its gleaming steel bezel gives it a distinctive summer look, but glare and visible fingerprints make it less convincing as a no-nonsense tool diver. “Perfect” comes down to whether you value that shine over maximum legibility.
What makes the Lagoon Blue a summer watch?
The appeal is a mix of color, proportions and versatility. TUDOR’s textured blue dial has a bright, sandy look, while the polished steel bezel and five-link bracelet catch the light. Hodinkee describes the combination as a more stylized, dressier direction for the Black Bay 54; that is an aesthetic reading, not a universal verdict. Read Hodinkee’s hands-on coverage.
At 37 mm across and 11.2 mm thick, the case has compact proportions for a contemporary diver. Fratello reports a 46 mm lug-to-lug measurement, useful context when considering how the watch may sit on the wrist. TUDOR specifies a 20 mm lug width. These figures describe dimensions, not a guarantee of fit: wrist shape and bracelet sizing matter too. Fratello’s June 13, 2025 introduction covers the launch context.
Can you use it for swimming?
TUDOR rates the Lagoon Blue, reference M79000-0001, as water-resistant to 200 m. It has a screw-down crown and a unidirectional 60-minute bezel, so its published specifications suit a watch intended for water use. A rating is not a substitute for checking the condition of a particular watch: follow TUDOR’s care guidance and make sure the crown is fully secured before exposure to water.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
The bezel is an important distinction between water capability and dive-tool practicality. The Lagoon Blue’s insert is mirror-polished steel and has no minute graduations. The unidirectional action is there, but the shiny surface and simpler marking make it less purpose-built for timing than a clearly graduated dive bezel. If elapsed-time legibility is your priority, weigh that compromise carefully.
What are the trade-offs of the polished finish?
The polished steel is the feature that gives the watch much of its distinctive, dressier character; it is also the main practical compromise. Stuff reviewer Spencer Hart reported that the bezel was less ideal for perfect legibility and that fingerprints stood out, particularly with sunscreen. Those are one reviewer’s observations, not a controlled test or a guarantee that every wearer will find the same issue. Read Hart’s review.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Hart also wrote, “It works by the pool, at dinner, or walking around town,” describing a week of wear. That experience suggests why the Lagoon Blue can appeal to someone who wants one watch to move between casual and smarter summer settings, though it is a personal impression rather than a universal fit or style judgment.
What does the exact Lagoon Blue include?
TUDOR identifies the Lagoon Blue as reference M79000-0001. The brand’s published specification and configuration are:
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Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
- Case: 37 mm stainless steel, with polished and satin finishes; 11.2 mm thick.
- Bezel: unidirectional 60-minute bezel with a mirror-polished steel insert and no minute graduations.
- Dial and crystal: blue domed, textured dial beneath a domed sapphire crystal.
- Movement: Manufacture Calibre MT5400, automatic with bidirectional rotor and COSC certification; approximately 70 hours of power reserve.
- Water resistance: 200 m; screw-down crown.
- Bracelet: five-link steel, polished and satin-finished, with T-fit clasp; 20 mm lug width.
TUDOR describes the Black Bay 54 as an interpretation of its reference 7922 heritage. That heritage framing is the manufacturer’s account. The brand also states that its transferable five-year guarantee requires neither registration nor periodic maintenance visits; check the terms applicable to your market and purchase.
How is Lagoon Blue different from the other Black Bay 54 Blue?
Do not confuse the Lagoon Blue with the separate model TUDOR currently calls “Blue.” The Lagoon Blue has a textured blue dial, mirror-polished steel bezel insert and five-link steel bracelet. The separate Blue model is described by TUDOR with a sapphire-blue dial and matching blue bezel, with bracelet and black rubber-strap configurations listed on the family page.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
When comparing listings, confirm the reference and the bezel rather than relying on a seller’s shorthand color name. Configurations and local availability can vary. TUDOR’s Black Bay 54 family page describes the distinct Blue variant, while the Lagoon Blue product page identifies M79000-0001.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is it worth considering for your summer plans?
The Lagoon Blue is a strong choice if your idea of a summer watch includes vivid color, compact proportions, water resistance on paper and a finish polished enough for dinner as well as daytime wear. It is a less natural choice if you want a low-glare bezel that makes elapsed time easy to read at a glance, or if fingerprints on shiny surfaces will bother you.
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- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
For price and availability, compare current quotes from local authorized retailers: Fratello’s reported €4,240, US$4,350 and £3,590 were launch-era prices from June 2025, not current quotations. The best way to assess comfort is to try the bracelet on and check whether its fit works for you; the T-fit clasp provides quick adjustment as wrist size changes.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
