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Quick TakeOkay, let's talk about the SUB 300 Beta Caribbean. It's got that classic DOXA toughness but wears way slicker, slimmer than you'd expect for a 300-meter diver. They shaved down the height, making it slide under a cuff easier, bridging that gap between hardcore tool and something you actually want to wear daily. The Caribbean blue dial with that sunray wave pattern? Pure class. It catches the light just right, shifting from deep ocean blue to brighter tropical hues. Then you have the contrast with the black ceramic bezel – super scratch-resistant and functional for timing whatever, even if it's just your pizza delivery. Inside beats a reliable Swiss automatic heart, nothing fussy, just dependable timekeeping. Whether you rock it on the FKM rubber for a sportier vibe or the iconic "Beads of Rice" bracelet for that vintage-cool look, the ratcheting clasp is a brilliant touch for getting the perfect fit, wetsuit or not. It’s a DOXA, but refined – ready for adventure yet totally at home in the city grind.
DescriptionManufacturing specifications dictate a stainless steel case construction for the SUB 300 Beta Caribbean, reference 830.10.201.10. Dimensional parameters are set at 42.50 mm by 44.50 mm, with a reduced profile height of 11.95 mm. Water integrity is certified to 30 atmospheres, equivalent to 300 meters or 984 feet, facilitated by a screw-down crown mechanism and a solid stainless steel screw-down case back assembly. Time indication includes hours, minutes, and central seconds, supplemented by a date aperture. Protection for the dial components is provided by a scratch-resistant sapphire crystal. A key functional element is the unidirectional rotating bezel, fabricated from black ceramic and calibrated in meters for dive time tracking. The inclusion of a helium release valve signifies its suitability for saturation diving applications, allowing trapped helium molecules to escape during decompression, thereby preserving the structural integrity of the watch crystal and case seals under differential pressure conditions encountered in hyperbaric environments.
Internal operation relies upon a Swiss mechanical automatic movement, characterized by its self-winding capability derived from the wearer's motion. This calibre operates at a frequency of 28,800 vibrations per hour (4.0 Hz), ensuring precise timekeeping within accepted chronometric standards. A fully wound mainspring delivers a power reserve approximating 38 hours. The movement features decoration applied by DOXA, visible presumably through an exhibition case back if specified, though the current data confirms a solid screw-down back. Attachment to the wrist is achieved via either a stainless steel "Beads of Rice" bracelet or an FKM rubber strap. Both options incorporate a folding clasp design enhanced with a ratcheting wetsuit extension system, allowing for micro-adjustments over dive suit material. The standardized lug width measures 20.00 mm, permitting compatibility with aftermarket strap alternatives. The dial presentation incorporates a sunray finish overlaid with a stamped wave structure, adding visual depth and texture beneath the protective sapphire crystal layer.