Alpina’s reputation as a trailblazer in the world of Swiss sports watches is well-earned, and the Seastrong Extreme Diver Watch is a shining example of this legacy. For over 140 years, Alpina has been synonymous with innovation, adventure, and precision, and this dive watch encapsulates all three in a bold, modern package.


At first glance, the Seastrong Extreme Diver ($2295) makes an impression with its unique 39mm stepped square case. This distinctive shape isn’t just about aesthetics; it’s designed to provide exceptional wearability on any wrist. The case’s compact lug-to-lug ratio ensures a comfortable fit, whether you’re suiting up for the office or strapping in for a deep-sea adventure.

The dial is where the Seastrong Extreme Diver truly shines—offered in striking black, blue, and orange variations. Bold triangular serrations give the dial a textured look that’s as functional as it is eye-catching. Paired with a semi-integrated stainless steel bracelet or a vibrant rubber strap (depending on the model), the watch balances rugged durability with effortless style.


Under the hood lies the Swiss-made Alpina AL-525, derived from the Sellita SW200 movement. This powerhouse automatic movement features 26 jewels, a hacking and hand-winding mechanism, a date complication, and a frequency of 28,800 beats per hour. With a reliable power reserve of 38 hours, it’s engineered for precision and dependability, ensuring you’re never left guessing the time—even 300m underwater.

The Seastrong Extreme Diver doesn’t just perform; it’s built to endure. With a water resistance of 300m, a sapphire lens for scratch-proof clarity, and a sturdy stainless steel case, it’s a true tool watch that thrives in extreme conditions. Whether you’re navigating the ocean depths or exploring a mountain trail, this watch is up for the challenge.

Alpina’s heritage as a pioneer in sports watches is evident in every detail of the Seastrong Extreme Diver. Founded in 1883, the brand revolutionized the industry with the Alpina 4, the first true sports watch. Today, Alpina continues to honour its roots with collections like the Seastrong, combining a commitment to precision and reliability with modern design sensibilities.



The Seastrong Extreme Diver Watch is more than just a timepiece—it’s a testament to Alpina’s enduring spirit of adventure. With its bold design, impeccable craftsmanship, and unparalleled functionality, this watch is the perfect companion for those who demand performance, whether on land or beneath the waves. Dive in and discover why Alpina remains a true icon in the world of Swiss watchmaking.
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