Alpina Watch: Heritage Seastrong Diver 300 Black Al-520By4H6

Alpina Seastrong Diver 300: a heritage diver designed for the city and the depths

The Alpina Heritage Seastrong Diver 300 Black AL-520BY4H6 perfectly embodies Alpina's historical expertise in the world of diving watches. With this Seastrong Diver 300, Alpina revisits the codes of vintage divers in a modern, robust, and elegant version.

The Alpina Seastrong Diver stands out with its black dial and gold indices inspired by the brand’s historical references, offering a clear and balanced reading. True to Alpina's DNA, this black Seastrong Diver combines a retro-chic spirit with readability and technical performance.

The 42 mm stainless steel case of the Seastrong Diver, with its compressor style, features balanced proportions thanks to the discreet internal bezel. This construction gives the Black Alpina Seastrong Diver a real presence on the wrist.

Powered by a Swiss automatic Alpina AL-520 movement (Sellita SW200 base), the Alpina Seastrong Diver is reliable, precise, and functional. Thanks to this configuration, Alpina offers a robust and versatile Heritage diving watch.

The internal rotating bezel of the Seastrong Diver Heritage reinforces its positioning as a true diving watch, while its 2 straps (brown leather and black rubber) ensure comfort and versatility. Water-resistant to 300 meters, the Black Seastrong Diver is designed to accompany you in any situation, even the most extreme.

Technical specifications

• Brand: Alpina
• Collection: Heritage
• Model: Seastrong Diver 300 Black
• Reference: AL-520BY4H6
• Movement: Swiss automatic
• Caliber: AL-520 (Sellita SW200 base)
• Functions: Hours, minutes, seconds
• Power reserve: Approximately 38 hours
• Case: Stainless steel
• Diameter: 42 mm
• Thickness: 12.3 mm
• Crystal: Sapphire
• Dial: Black, rotating internal bezel
• Crown: Dual screw-down compressor crowns, the top one adjusts the bezel and the bottom one is for winding and time-setting
• Readability: Applied gold baton indices and gold luminescent hands
• Water resistance: 300 meters
• Straps: Brown calf leather + textured black rubber with stitching
• Case back: screw-down and engraved with the Seastrong motif
• Clasp: Pin buckle
• Alpina warranty: 3 years

Why choose this watch?

The Alpina Heritage Seastrong Diver 300 Black AL-520BY4H6 is ideal for those seeking a diving watch with a strong vintage style. Its elegant black dial, Swiss automatic movement, and high water resistance make it a particularly versatile Seastrong.

The Black Alpina Seastrong Diver combines robustness, elegance, and watchmaking heritage in a modern format. An Alpina watch designed for enthusiasts of vintage divers.

About the Alpina brand

Founded in Switzerland in 1883, Alpina is a watchmaking house recognized for its sporty and robust watches. Alpina possesses a rich watchmaking heritage and develops collections blending Swiss tradition with modernity.

With the Heritage collection, Alpina confirms its expertise by offering an elegant watch directly inspired by its historical heritage.