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Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →The ProTek Series 4000 Aggressor is a 45mm carbon-composite dive watch that weighs a listed 82g and uses continuously glowing T100 tritium illumination. Don Evans’s October 1, 2026 WatchReport review describes it as surprisingly light for its large footprint. Its appeal comes with a real fit tradeoff: the reviewed sample spans 52mm lug to lug, so this is a watch for someone who wants substantial wrist presence, not a compact diver.
What is the ProTek Aggressor?
The Aggressor is ProTek’s Series 4000 analog dive-watch line. The company identifies references PT4001, PT4003, PT4004 and PT4007 as members of the family on its official Series 4000 page. Evans describes the model he reviewed as the brand’s largest watch to date. His hands-on observations apply to that sample; they are not a guarantee that every wrist or reference will feel the same.
The central idea is straightforward: a large case and a 300m water-resistance rating, without the weight many people associate with a watch this size. ProTek lists an 82g weight for the PT4001, while Evans also reports that figure for his review sample.
ProTek Aggressor specifications
| Specification | Published detail |
|---|---|
| Series and references | Series 4000; PT4001, PT4003, PT4004 and PT4007, according to ProTek |
| Case diameter | 45mm, according to the PT4001 product page |
| Thickness | 14.5mm, as printed in Evans’s WatchReport review |
| Lug to lug | 52mm, as printed in Evans’s WatchReport review |
| Case material | Carbon composite, according to ProTek’s PT4001 product page |
| Weight | 82g, according to ProTek’s PT4001 product page |
| Water resistance | 300m, according to ProTek’s PT4001 product page |
| Bezel | 60-click unidirectional ratcheting, according to ProTek’s PT4001 product page |
| Crystal | Sapphire with anti-reflective coating, according to ProTek’s PT4001 product page |
| Movement | Miyota 2035 three-hand quartz, according to ProTek’s PT4001 product page |
| Strap | Genuine rubber; 22mm at the lugs and 20mm at the buckle, according to ProTek’s PT4001 product page |
| Listed price | $575 on the PT4001 manufacturer page and in the WatchReport review; the manufacturer page showed the PT4001 out of stock when checked in 2026. Another ProTek Aggressor page claimed a $550 sale price, so current price and availability depend on the exact reference and listing. |
How it wears: light, but unmistakably large
Evans reports that the watch felt solid but unusually light for its footprint and was barely noticeable once he had it on. That is the Aggressor’s main wearing surprise: the 45mm case and 52mm lug-to-lug span give it a broad presence, while its listed 82g weight avoids the heft some buyers expect from a large dive watch.
#1 Best Overall
- 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.
Fit still depends on your wrist shape and tolerance for overhang. Evans, whose wrist measures 7.5 inches, noted the long span and had to size the strap to his wrist. The 22mm lug width is a useful compatibility detail, but strap length and how the case sits are better checked against your own wrist than inferred from the diameter alone.
Evans found the rubber strap less pliable than newer FKM straps. Buyers who like the watch but want to change its feel can check ProTek’s dedicated 22mm Aggressor rubber strap; confirm the color and exact reference fit before ordering.
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.
T100 tritium: illumination without charging
The Aggressor’s defining display feature is its T100 Pro-Glo tritium system. ProTek says the tritium glows continuously for 25 years without needing exposure to external light to charge. That is the manufacturer’s stated illumination period, not a timed independent test. Scuba Diving’s Series 4000 review describes tubes at each hour marker, on the hands and along the bezel centerline.
Evans liked being able to see the tritium without first exposing the watch to light, but said he sometimes missed the dim lighting of Super-LumiNova. The practical distinction is that tritium provides constant visibility, while conventional photoluminescent material needs light exposure before it glows. Which approach suits you depends on whether you prioritize always-on visibility or the softer glow Evans preferred at times.
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.
Dial, legibility and movement
On his sample, Evans describes a bright cyan-blue geometric dial as quirky, with silver frosted hands that remained legible to him. He notes black, yellow and orange dial options as alternatives. Those color impressions and legibility judgments are his observations of the review watch, not claims about a controlled visibility test.
Inside is a Miyota 2035 three-hand quartz movement, according to ProTek. Evans wished the watch were available with an automatic movement; buyers who share that preference should treat it as a meaningful limitation rather than assume the large diver format implies a mechanical caliber.
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
Price and availability: check the exact reference
The PT4001 product page and WatchReport list $575, and Watches.com lists the PT4003 at $575. A separate ProTek Aggressor page gives a $550 sale price, while the PT4001 manufacturer page showed that reference out of stock when checked in 2026. These are listing-specific figures, not a reliable current price for every model or market. Check the PT4001 page or the relevant retailer listing for your exact reference before buying.
Who should consider the ProTek Aggressor?
The Aggressor is worth considering if you want an analog dive watch with pronounced dimensions, low listed weight, and illumination that does not rely on charging from light. It may be less appealing if you prefer a short lug-to-lug fit, a highly pliable strap straight from the box, or an automatic movement.
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Best Value
- 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.
Evans frames the watch as an option for people looking for a large, lightweight analog watch distinct from a G-Shock or Luminox. That is a useful description of its niche, not a head-to-head performance comparison: his review contextualizes it alongside large G-Shock watches and notes T100 versus T25 tritium use across brands, but does not establish a comparative winner.
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.
