Tudor is introducing the Black Bay 58 GMT featuring a 39mm stainless steel case. Price from € 4,490. A Watches and Wonders 2024 novelty.
Named after the year in which the first Tudor divers’ watch waterproof to 200 metres was introduced, and adhering to the proportions of the 1950s, this new model features a 39 mm diameter case and a slimmer profile compared to the Black Bay GMT 41 mm.
The bidirectional rotating bezel is a defining feature of the watch, distinguished by its anodized aluminum insert adorned with warm hues of burgundy, black, and a gilt 24-hour scale.
The classic lines of the stainless steel case are highlighted by alternating polished and satin finishes. The screw-down winding crown, embellished by the Tudor rose in relief, contributes to ensure water resistance to 200 metres / 660 feet.
A domed sapphire crystal protects the black, domed dial which makes the gilt applied hour markers and “Snowflake” hands stand out. These are filled with Super-LumiNova luminescent material for enhanced legibility in the dark.
The seconds hand recalls the look of the early diving watches of the brand, with a lollipop design, while the satin black dial is softly radial-brushed for a subtle shine under direct light.
Operating at a frequency of 4 Hz (28,800 beats per hour) and offering a power reserve of 65 hours, the Calibre MT5450-U with integrated GMT function is produced in the Kenissi Manufacture, the Tudor movement production facility founded in 2016.
With the introduction of this brand-new Black Bay 58 GMT, Tudor has successfully submitted yet another model for tests to obtain Master Chronometer certification. This certification, offered by a Swiss government body, METAS, requires a substantial number of changes to a regular Tudor Manufacture Calibre.
In order to qualify, a watch must be able to function within a 5-second range of variation each day (0/+5), that is to say 5 seconds less than the Official Swiss Chronometer Testing Institute (COSC) (-4/+6) carried out on a single movement and a second less than Tudor's internal standard (-2/+4), which is applied to the brand's models with a Manufacture Calibre.
Master Chronometer certification ensures not only timekeeping precision but also resistance to magnetic fields up to 15,000 gauss (achieved also thanks to a non-magnetic silicon hairspring), alongside manufacturer-claimed waterproofness and power reserve.
Two prerequisites are necessary before the certification can be obtained: Swiss manufacturing must conform with the criteria of Swiss Made, and the movement must be certified by the Official Swiss Chronometer Testing Institute (COSC).
The “rivet-style” 3-link bracelet of the Black Bay 58 GMT model visually refers to the riveted bracelets used by Tudor in the 1950s and 1960s. These were famous for having rivet heads visible on the side of the links and for their stepped design, with every link, going from the clasp, slightly larger than the previous one.
These two aesthetic elements appear on today’s bracelet, which comes with the Tudor “T-fit” clasp for rapid length adjustment in an 8 mm window.
A cut-to-size black rubber strap option is also available. It comes in three sizes and is also fitted with the Tudor “T-fit” clasp.
The new Tudor Black Bay 58 GMT has a price of Euro 4,710 with steel bracelet (ref. M7939G1A0NRU-0001) or Euro 4,490 with rubber strap (ref.M7939G1A0NRU-0002). tudorwatch.com
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