Model Reference
The TUDOR Black Bay Chrono 79360N joined the collection in 2021, but the story of TUDOR chronographs goes back much further. The launch coincided with 50 years since the brand introduced its first chronograph in 1970, giving TUDOR an opportunity to revisit the Black Bay Chrono rather than simply change the dial of the previous generation.
Reference 79360N arrived with a redisigned 41mm case and two contrasting dial choices. One paired a black dial with silver counters, while the other reversed the arrangement with an opaline dial and black counters. The black version has the familiar panda style contract without trying to reproduce a particular historic TUDOR chronograph.
The reference has remained part of the Black Bay Chrono story beyond its initial release, with TUDOR subsequently expanding the available confiigurations. This means the complete suffix becomes useful when identifying a particular 79360N, especially as different bracelets and dial combinations have appeared under the wider reference.
At first glance, the 79360N still looks related to TUDOR's diving watches. The Snowflake hour hand, large luminous markers, screw done crown and substantial steel case all make that connection clear. Look around the edge of the watch, however, and its other purpose becomes obvious.
Instead of the rotating 60 minute bezel found on a Black Bay diver, the Chrono has a fixed black aluminium carrying a tachymeter scale. Used with the chronograph, that scale can calcuate an averasge rate such as speed over a known distance. Two screw down chronograph pushers sit on either side of the crown.
TUDOR kept the dial to two counters rather than filling it with the three register arrangement seen on many chronographs. The counter at 3 o'clock records up to 45 elapsed minutes, while the counter at 9 o'clock handles the watch's continuous seconds. The central seconds hand belongs to the chronograph and remains stationary when the timing function is not running. A date window is placed at 6 o'clock.
That layout gives each display enough room to be read without making the 41mm dial unnecessarily busy. On the black dial version, the silver counters make the timing displays particularly easy to distinguish from the normal timekeeping indiations.
The interesting part of the 79360N is not that TUDOR managed to put a chronograph inside a Black Bay. It is that the watch was built without abandoning the tougher construction associated with that collection. Chronograph watches have openings in the case for their pushers, which makes maintaining strong water resistance more complicated. TUDOR addresses this with screw down pushers at 2 and 4 o'clock and a screw down crown. The finished watch is rated to 200 metres, so the chronograph complication does not reduce it to a watch intended only for dry conditions.
The mechanics are equally important to this reference. Inside is the Manufacture Calibre MT5813, an automatic chronograph movement with a column wheel and vertical clutch. A column wheel coordinates the chronograph commands, while the vertical clutch controls the connection between the timing mechanism and the movement. It is a more technically involved arrangement than a basic cam operated chronograph. The movement is COSC certified, uses a silicon balance spring and operates at 28,800 vibrations per hour. Its approximately 70 hour power reserve is useful on a chronograph because the watch can be left aside for a couple of days without immediately needing its time and date reset.
The original steel bracelet configuration used TUDOR's rivet style bracelet, while leather and fabric versions were also offered in 2021. More recent steel bracelet configurations of the 79360N can be found with TUDOR's T fit rapid adjustment clasp, so the exact suffix and age of a pre owned watch are worth checking rather than assuming every 79360N left the factory in precisely the same form.
At a Glance
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The pre-owned TUDOR Black Bay Chrono ref. 79360N combines the rugged character of the Black Bay collection with the functionality of a traditional sports chronograph. Its 41mm stainless steel case features a fixed black tachymeter bezel and contrasting chronograph counters, while the Manufacture Calibre MT5813 provides approximately 70 hours of power reserve and COSC-certified performance. With a column-wheel chronograph, vertical clutch and 200 metres of water resistance, it delivers impressive specifications alongside TUDOR’s distinctive vintage-inspired styling.
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A chronograph gives you more to inspect on a used watch than the appearance of the case and bracelet. Start the 79360N and the central chronograph hand should begin its journey around the dial. Stop it, reset it and the hand and 45 minute counter should return correctly to zero. The screw down pushers also need to operate as intended.
Those are the kinds of details worth considering when you buy a pre owned 79360N through BQ Watches. The dial configuration, bracelet or strap, bezel condition and accompanying accessories can then be considered alongside the mechanical operation of the watch.
There is also a difference between knowing that a watch is a 79360N and knowing exactly which 79360N you own. Its age, factory configuration, condition and completeness can all be relevant to a valuation, particularly now that the reference exists in several forms.
For collectors who already own one, BQ Watches can discuss an exchange when another watch has become more relevant to the collection. If the decision is to sell, the assessment can be based on the individual Black Bay Chrono and its actual condition rather than treating every 79360N as identical.
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