Dive with the Alpina Seastrong Diver 300, an essential classic for safe diving 2026

Michael Goldman
Dive with the Alpina Seastrong Diver 300, an essential classic for safe diving - grandgoldman.com
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A new version of a classic submariner, the Apina Seastrong Diver 300, returns. Faithful to the traditional aesthetic of the watchmaking house, the watch features a large case, luminescent indexes and a unidirectional bezel to prevent information from being accidentally lost underwater.

Manufactured to withstand extreme conditions, to satisfy the basic requirements of the most experienced divers, the new Seastrong Diver 300 descends from the Alpina watches of the 60s, in the purest tradition of Alpina and its marine universe for more than 50 years, and this new Seastrong model continues its legitimate legacy.


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The solid design of the Alpina Seastrong Diver 300 features a 44mm case, with a dark gray or navy blue 60-minute bezel and a black dial contrasting with large luminescent indices and hour, minute and seconds hands. It features a date window at 3 o'clock, a transparent back that allows a detailed view of the AL-525 automatic movement, and a screw-down crown that offers additional security during diving.

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The Seastrong Diver 300 is the ideal embodiment of the diver's watch, with three defining elements: optimal readability, resistance to extreme conditions and basic vital characteristics. A model that cannot be missing from the equipment of any self-respecting diver.

Features of the Alpina Seastrong Diver 300Reference AL-525LBG4V6B

Alpina Seastrong Diver 300 Negro
Alpina Seastrong Diver 300 Black
Alpina Seastrong Diver 300 Azul
Alpina Seastrong Diver 300 Blue

Caja:Stainless steel. Gray 60min unidirectional diving bezel with white luminous markers 44mm diameter, 13.06mm thick.
sapphire crystalScratch resistant 30 ATM / 300m / 1000ft water resistant. Transparent bottom and screwed thread bottom.
MotionAL-525, 26 jewel automatic caliber, 38 hours power reserve, 28,800/h.
Sphere:black background with white luminous indexes. Date window at 3 o'clock. Hand-polished silver-colored hour and minute hands with white luminous treatment.
Beltstainless steel bracelet.
FeaturesHours, Minutes, Seconds, Date.

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Michael Goldman

Author

Michael Goldman

Michael is an award-winning online reporter and content writer with over a decade of experience covering technology, business, and digital culture. His investigative features have been published in leading outlets such as Wired, The Verge, and Forbes, earning him recognition for accuracy and depth.


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