Seiko is exploring its rich heritage with a timepiece that truly makes waves. In 2025, the brand will celebrate 60 years of mastering the deep blue with the Seiko Prospex 60th Anniversary collection. But forget any old anniversary release; it’s a flexing its muscles, creating an deep-ocean masterpiece designed to do everything from impressing divers to making your wrist the center of attention.
Finding a competitor to the Seiko MarineMaster Professional (ref. SLA081J) requires a look into the upper price range. Watches such as the Omega Seamaster Diver 300M, Tudor Pelagos FXD, and Breitling Superocean Heritage offer strong performance, yet they cannot match the MarineMaster’s specifications and durability. Consider the Oris Aquis GMT and Longines HydroConquest for a blend of design and performance. Nevertheless, the closest challenger in performance, albeit at a much higher cost, is the legendary Rolex Deepsea Sea-Dweller (USD $16,500+), highlighting just how impressive Seiko’s latest creation is.
However, this is no ordinary release. The Seiko MarineMaster Professional is a limited edition, with only 600 pieces available globally, making it exceptionally rare. If you seek something that combines style and exclusivity, you’ll need to act fast before this one slips away.

- Brand: Seiko
- Model: Mairnemaster Professional
- Reference: SLA081J
- Diameter: 45.4 mm
- Thickness: 16 mm
- Material: Stainless Steel
- Dial Color: Blue Gradient Dial
- Calibre: 8L45
- Power Reserve: 72 Hours
- Water Resistance: 60 Bar ( 600 metres, 2000 feet )
- Price: USD $4,600
Featuring a 45.4mm stainless steel case, this watch is designed to be eye-catching and resilient against ocean challenges. Now, let’s discuss the blue gradient dial—it transitions beautifully, mimicking a stunning sunset over the sea, shifting from a rich ocean blue to lighter shades. The markers and hands ensure exceptional legibility, even at depths of 600 meters. This isn’t merely a watch; it’s a true masterpiece.
Next, we have the 8L45 movement, which is the key feature—Seiko’s proprietary automatic movement that offers an impressive 72-hour power reserve. Feel free to wear it all weekend, explore the ocean’s depths, and it will still be running smoothly when Monday morning arrives. Now that’s what I call reliability!
Seiko focuses not only on performance but also on sustainability. This anniversary collection proves that eco-friendly materials can maintain top-notch quality. Indeed, this watch is just as durable inside as it is outside, all while having a minimal environmental impact. Wear it with pride, knowing you’re supporting a noble cause, while also showcasing a watch that shines in every dive bar.

For collectors, divers, and watch enthusiasts, the Seiko Prospex 60th Anniversary collection transcends a mere timepiece. It serves as a time capsule, allowing you to don a segment of Seiko’s remarkable dive heritage while benefiting from modern innovations that ensure its relevance for years ahead. Whether you’re surfing or socializing with friends, the MarineMaster Professional is the perfect companion.
If you want a timepiece that conveys, “I’m adventurous yet stylish,” the MarineMaster Professional is just what you need. Seiko is marking 60 years of excellence, and these commemorative models are set to flow into the future. Here’s to six decades of achievements and an exciting journey ahead.
