THE ESSENCE OF BLACK BAY
Like other models in the Black Bay line, the Black Bay Bronze model features a dial inspired by the TUDOR divers’ watches produced in the 1950's. It also adopts the characteristic angular hands known as "snowflake" that appeared in the brand’s 1969 catalogue. Finally, the unprotected winding crown, like the holes drilled across the horns, are typical features of the first generations of TUDOR divers' watches.

HIGH-PERFORMANCE ALUMINIUM BRONZE ALLOYWITH BRUSHED FINISHES
Following the introduction of the first bronze model in 2016, a Black Bay with a chocolate-brown dial, TUDOR continues to explore this rare bronze material with its characteristic patina. A new colour scheme based on slate grey now embellishes the dial and bezel of this striking divers' watch, whose aesthetics have changed over time and whose naval inspiration can be found in every detail. The impressive Black Bay Bronze also offers high technical performance thanks to its Manufacture Calibre MT5601.

SLATE-GREY DIAL
The combination of a slate-grey dial, shaded from the exterior to the centre, and a bezel coupled with gold accents found on the hands and hour markers completes the model's aesthetics. The overall visual effect is that of a rich, patinated object that might have sailed the globe on its wearer's wrist for years at a time.

A CASE THAT "CHANGES"
The central feature of the Black Bay Bronze model is its 43-millimetre bronze case, an aesthetic reference to the brass used in old ships and diving equipment. This "living" metal, a high-performance aluminium-copper alloy used in naval engineering for submerged parts that need to be highly resistant to corrosion, will produce a subtle, unique patina, based on the wearer's habits. In addition to a highly functional appearance, the Black Bay Bronze presents entirely satin-brushed finishes that guarantee homogeneous development of the patina.

THE MANUFACTURE CALIBRE MT5601
The Manufacture Calibre MT5601 that drives the Black Bay Bronze model measures 33.8 millimetres, the widest diameter of all TUDOR's calibres. Its openwork rotor is satin-brushed with sand-blasted details, and its bridges and plate have alternating polished sand-blasted surfaces and laser decorations.
It displays the hours, minutes and seconds functions. Along with a 70-hour power reserve, its build has been designed to ensure robustness, longevity and reliability, as has its variable inertia balance, which is maintained by a sturdy traversing bridge with a two-point fixation. Thanks to these qualities, together with its non-magnetic silicon balance spring, the calibre is certified as a chronometer by the Official Swiss Chronometer Testing Institute (COSC).

A HISTORIC STRAP
As a tribute to the brand's naval heritage, TUDOR has identified the historic uses of its watches and reinterpreted them in its latest models. For example, the French Navy had TUDOR watches delivered without bracelets and then fitted them with their own straps. One of them, kept in the brand's archives, is made of elastic recovered from French rescue parachutes. This ultra-functional relic, recognisable by its gold-coloured thread, is the reference behind the slate-grey woven jacquard strap available for the Black Bay Bronze. A second option is an aged slate-grey leather strap whose straight cut accentuates the rustic effect.

The history of the TUDOR divers’ watch dates back to 1954 and the launch of reference 7922. The first in a long line of ergonomic, legible, accurate and robust divers’ watches, it perfectly embodies the approach formulated by the American architect Louis Sullivan, according to whom the form of an object must follow its function. Furthermore, it laid down the aesthetic and technical foundations of an ideal divers’ watch, those of an understated, functional and reliable tool. The sixty years that followed the launch of the original 7922 saw the constant improvement of the TUDOR divers’ watch and each model gained unanimous acclaim from professionals in the field, including some of the greatest military navies in the world.
It is this relationship with these navies which evokes ideas of travel and adventure that the Black Bay Bronze celebrates.

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USERGUIDE
Glossary
1/4 - Winding crown
The winding crown is used to set the time and date and to wind the watch if it has not been worn. The winding crown is screwed down onto the case to ensure water resistance. It must be fully tightened after each manipulation.
2/4 - Seconds hand
The hand indicating seconds.
3/4 - Hour and minute hands
The hand on the watch indicating the time.
4/4 - Bezel
The unidirectional rotatable bezel allows precise measurement of dive times. For safety, the bezel rotates in one direction only. It is deliberately harder to turn when the zero marker (triangle) is in the 12 o'clock position to avoid inadvertent rotation.
Setting your watch
Step 1/4 - Screwed-Down position
Your TUDOR watch is equipped with a screw-down crown. Once this is fully screwed down against the case, your watch is guaranteed waterproof. With your finger unscrew the crown to position B. Your watch isn’t waterproof anymore.
Step 2/4 - Manual Winding
Before you first use the watch or if it has stopped, you will need to wind it manually by unscrewing the crown and then turning it clockwise; the other direction is inactive.
Step 3/4 - Time Setting
In order to adjust the time, unscrew the crown and pull it out to the last notch. Then turn it in either direction until the hands indicate the correct time. The small seconds hand is stopped during this operation, allowing the time to be set accurately.
Step 4/4
Push in and then screw down the crown. Your time is now set.
Underwater
Bezel function
The unidirectional rotatable bezel allows precise measurement of dive times. For safety, the bezel rotates in one direction only.
Before the descent
Turn the bezel until the triangle on the graduation is opposite the minute hand. This indicates the beginning of the dive and is visible in the dark. The duration of the dive is indicated on the graduation on the bezel by the minute hand.
During Dive
This indicates the beginning of the dive and is visible in the dark. The duration of the dive is indicated on the graduation on the bezel by the minute hand.