DOXA Sub 300T Professional
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The Father of SCUBA, Jacques Cousteau, wore a Fifty Fathoms in the Academy Award-winning documentary Le Monde du Silence, but there's another dive watch with which he's more closely associated.
By the 1960s, following the success of Blancpain's Fifty Fathom's and Rolex's Submariner, DOXA had decided to develop a dive watch of its own. The Sub 300T Professional was the brainchild of DOXA's product manager Urs Eschle, who consulted with Cousteau and other divers in the development of this watch. The challenge set before them was to build a watch that was comfortable, rugged, and above all reliable, with a dial that could easily be read in the murky depths of the ocean.
The Sub 300T Professional debuted in 1967, with a unidirectional bezel (the first to feature the U.S. Navy No Decompression chart) and a beads-of-rice bracelet that was the first to implement an expandable clasp that could fit over a diver's wetsuit. Eschle and his team of designers had tested numerous dial colors before hitting on the now-distinctive orange.
The result was obvious; no other watch of the era had the technological advances and thoroughness of design of the DOXA. Cousteau himself was so impressed by the design that he offered his chain of U.S. Divers shops for distribution in the U.S., using his fame and the burgeoning hobbyist SCUBA community to spread DOXAs success.
DOXA further innovated the design of dive watches by incorporating a Helium Release Valve or HRV in the DOXA Sub 300T Conquistador. Some sources suggest that Rolex and DOXA worked in conjunction to develop this technology, Rolex using it in its Sea-Dweller. But Rolex wasn't able to mint the Sea-Dweller until 1971, making the Sub 300T Conquistador the first of its kind available to recreational--rather than professional or military--divers.
The Sub 300T Professional with its bright orange dial is the most recognizable of all the DOXA divers. This example has a beefy cushion case and a later "big triangle" bezel with the printing on the trademark No Decompression chart in very good condition. We have something of a mania for DOXAs here at Analog/Shift, and watches like this one--with its distinctive dial and 1970s styling--make it clear why.
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Since our pieces are vintage or pre-owned, please expect wear & patina from usage and age. Please read each item description and examine all product images.
We back each Analog:Shift vintage timepiece with a one-year mechanical warranty from the date of purchase.
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Shipping & Returns
Shipping & Returns+
All of our watches include complementary insured shipping within the 50 states.
Most of our products are on hand and will ship directly from our headquarters in New York City. In some cases, watches will be shipped directly from one of our authorized partners.
We generally ship our products via FedEx, fully insured, within 5 business days of purchase. An adult signature is required for receipt of all packages for insurance purposes. Expedited shipping is available at an additional cost. We are also happy to hand deliver your purchase in Manhattan or you may pick it up at our showroom.
Returns must be sent overnight or by priority international delivery, fully insured and paid for by the customer. A restocking fee may apply. Watches must be returned in the same condition as initially shipped.
We welcome international buyers, please contact us prior to purchase for additional details on shipping and payment options.