Bremont Altitude 42mm Chronograph GMT Blue Dial On Bracelet
ALT42-CHR-G-SS-BL-B
- Case
- 42mm
- MSRP
- $6,600
- Movement
- Automatic
- Reserve
- 62h
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
ALT42-CHR-G-SS-BL-B
M79360N-0012
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Collectors who want a modern aviation tool watch with GMT functionality
Where it wins
Enthusiasts prioritizing a more versatile sports chronograph with stronger daily-wear practicality
Tudor uses the MT5813 automatic chronograph caliber, with COSC certification and a 70-hour power reserve. Bremont uses the BC781AC automatic chronograph GMT caliber, also COSC-certified, with 25 jewels, 4 Hz / 28,800 vph, and a 62-hour power reserve. On paper, Bremont is the more complicated movement thanks to the GMT function and date display, while Tudor counters with the longer reserve and a simpler, more focused mechanical package. Both have strong chronometer credibility, but the Tudor’s longer reserve and reputation for robust everyday use make it slightly more attractive for set-and-go ownership. Winner: Tudor Black Bay Chrono
Tudor measures 41mm across and 14.4mm thick, with a listed lug width of 22mm, and its wearability note says it wears more compact than the dimensions suggest because of the curved case profile and balanced proportions. It is still substantial, and the nearly 50mm lug-to-lug reference in the wearability notes means smaller wrists may feel the mass more acutely, especially since the watch is over 14mm thick. Bremont is 42mm by 14.7mm with a 49.62mm lug-to-lug and weighs 88.8g, so it is slightly larger, slightly thicker, and more concrete in its presence, though the stated weight suggests it may feel surprisingly manageable. The Tudor’s T-Fit clasp with 8mm of tool-less micro-adjustment is a meaningful comfort advantage; Bremont’s quick-release bracelet and sleek clasp approach sound convenient, but no micro-adjustment is listed. Overall, Tudor is the easier all-day fit for more wrists, while Bremont suits those who want a bolder instrument watch profile. Winner: Tudor Black Bay Chrono
Tudor’s opaline dial with black counters is the clearest nod to classic panda chronographs, and the domed sapphire plus 200m water resistance make it especially practical as a durable daily sports watch. Its screw-down pushers reinforce that tool-watch feel, though they can make chronograph use less immediate. Bremont’s brushed blue galvanic dial, glass-box anti-reflective sapphire, and GMT hand create a very legible, cockpit-style layout, and the added date and GMT functions improve travel practicality. Bremont also brings a decorated open case back and 904L Trip-Tick construction with black DLC barrel, which adds technical visual interest, but its 100m water resistance and lack of listed bracelet/clasp adjustability details make it a bit less versatile than the Tudor for rougher daily use. For simple everyday practicality and sporty robustness, Tudor wins; for complication-rich travel utility and aviation character, Bremont is more specialized. Winner: Tudor Black Bay Chrono
Tudor carries a slightly higher MSRP at $6,875 versus Bremont’s $6,600, but the comparison is not just about price. Tudor’s Black Bay line has strong heritage signals within a well-established sports-watch family, and the Chrono’s combination of COSC movement, 200m water resistance, and T-Fit bracelet gives it a very complete ownership package. Bremont offers a distinctive British aviation identity, 904L steel, Trip-Tick construction, GMT functionality, and an open case back, which makes it feel technically ambitious and collector-friendly in a different way. On durability and maintenance practicality, Tudor’s simpler focus and stronger water resistance give it the edge for less fussy ownership. Bremont may appeal more to enthusiasts who value design distinctiveness and complication density. Winner: Tudor Black Bay Chrono
Compared
ALT42-CHR-G-SS-BL-B
M79360N-0012