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The Bell & Ross BR-X3 Tourbillon Micro-Rotor is a 40 mm-wide, 9 mm-thick steel watch built around an openworked automatic movement, an off-centre time display and a flying tourbillon. Bell & Ross identifies the reference as BRX3M-TRB-ST/SCR and says the edition is limited to 25 pieces. Its published power-reserve figures conflict: the current product page says 52 hours, while the manufacturer’s 2025 user guide and Monochrome report approximately 58 hours.
What is the BR-X3 Tourbillon Micro-Rotor?
It is a limited haute horlogerie model in Bell & Ross’s BR-X3 line. Its defining idea is architectural: a square steel case frames a visible, skeletonized movement, with the time display and tourbillon placed apart rather than arranged around a conventional central dial. Bell & Ross presents the watch as a technical and artistic expression of watchmaking; that is the manufacturer’s positioning, not an independent performance assessment.
The reference is BRX3M-TRB-ST/SCR. Bell & Ross says it is limited to 25 pieces. The visible layout makes the movement part of the display: hours and minutes sit off-centre at 2 o’clock, while the flying tourbillon cage is positioned at 5:30.
What are the BR-X3 Tourbillon Micro-Rotor specifications?
| Specification | Published detail |
|---|---|
| Reference and edition | BRX3M-TRB-ST/SCR; limited to 25 pieces, according to Bell & Ross. |
| Case | 40 mm wide and 9 mm thick; polished and satin-finished steel with customized bridges, according to Bell & Ross. |
| Movement | Automatic manufacture BR-CAL.389, according to Bell & Ross. |
| Display | Hours and minutes offset at 2 o’clock; flying tourbillon cage at 5:30. |
| Dial and crystal | Skeletonized dial with a small smoked sapphire dial; sapphire crystal with anti-reflective coating. |
| Water resistance | 50 metres, according to Bell & Ross. |
| Strap and buckle | Grey alligator leather strap and folding steel buckle. |
These are manufacturer-published specifications, not independent measurements. The square case gives the watch a broad visual footprint, while the 9 mm stated thickness is notably restrained for a watch combining an automatic movement and flying tourbillon. That comparison describes the listed dimensions and complications; it does not imply a comparative test against another model.
#1 Best Overall
- Genuine Flying Tourbillon, 40-50H Power Reserve: 6 o'clock suspended-escapement tourbillon, Caliber 8005 manual wind, no battery, NOT automatic, accuracy-tested 15+ days. A bold gift for automotive-inspired watch enthusiasts and mechanical collectors.
- Full Skeleton Sports-Car Grille Dial: open-worked architecture exposes black bridges, golden tourbillon cage and blued screws; exhibition caseback with striped finishing and ruby bearings — a 360° mechanical view.
- Sapphire Crystal Front (Mohs 9) + AR Coating: scratch-resistant sapphire front, second only to diamond, anti-reflective for enhanced clarity; hardened mineral glass exhibition caseback keeps the movement visible from every angle.
- Ice Blue Luminous Glow: hands and 12 indices charge by light and glow ice blue in darkness; luminous accents on the tourbillon cage edge create a dynamic glow effect during rotation.
- 2 Straps + 5ATM (50M) Splash Protection Only: 316L 5-link steel bracelet + black leather strap (20mm lugs); safe for rain and hand washing — NOT for swimming or diving; 3-year warranty; wind daily.
What is the BR-CAL.389 power reserve?
The available published figures do not agree. Bell & Ross’s current product page lists a 52-hour power reserve. The Bell & Ross technical user guide, issued as a 2025 first edition, gives approximately 58 hours, and Monochrome also reports 58 hours. Until Bell & Ross clarifies which figure applies to the current specification, neither number should be treated as an unqualified settled value.
The 2025 guide also states a precision tolerance of -2/+8 seconds per day and estimates about 35 crown rotations to fully wind a stopped watch. These are manufacturer guide figures, not results from an independent timing or winding test.
Rank #2
- Genuine Offset Flying Tourbillon, 40H Power Reserve: 9 o'clock visible tourbillon, Caliber 8001 manual wind, no battery, NOT automatic, accuracy-tested 15+ days. Asymmetric layout breaks the traditional 6 o'clock convention — a distinctive gift for enthusiasts of geometric design and offset tourbillon mechanics.
- Dodecagonal 12-Sided 316L Steel Case: 42mm twelve-facet case with brushed + polished finishes, higher machining complexity than a round case, catching light from every angle. Slim profile fits daily wear; architectural wrist presence that stands apart from conventional designs.
- Full Skeleton Dial + Luminous Hands: exposed gear train with black striped bridges, golden gears and jewels; light-charged luminous coating for clear reading in the dark. Industrial mechanical beauty on the wrist, day and night.
- Sapphire Crystal Front & Back (Mohs 9): scratch-resistant sapphire on both sides, second only to diamond; integrated 316L steel bracelet with solid 3-link construction and butterfly clasp for secure daily wear.
- 5ATM (50M) Splash Protection Only: safe for rain, splashes and hand washing — NOT for swimming, showering or diving; rinse after saltwater; wind daily. 3-year movement warranty; gift-ready for dad, husband or boyfriend.
What is the price, and is it available?
Bell & Ross’s US product page lists the watch at $99,000 and marks it “Unavailable” (page checked October 8, 2026). Monochrome reports a price of €89,000. These are market-specific published figures, not a single current global quote; prices and stock can differ by market and seller. The US page’s status does not establish availability elsewhere or through independent retailers.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should owners know about servicing?
Bell & Ross’s 2025 user guide says servicing should be performed by a Bell & Ross service centre or an approved watchmaker. The guide does not establish a particular service interval or cost, so owners should confirm those details with an authorized service provider.
Quick Recap
Best Value
- ⌚ Men Watches : exquisite skeleton tourbillon design, Roman numeral scale with automatic dual calendar window, one watch is multi-purpose, more practical, more luxury, and demonstrates the charm of luxury dress men's wrist watches.
- ⌚ Automatic Mechanical Watches : genuine original movement, support automatic and manual winding, the tourbillon gear can offset the error caused by gravity to the parts in the escapement system of the watch, making the timing more accurate and the error smaller than ordinary automatic watches.
- ⌚ Stainless Steel Watches : solid steel band has been polished many times to make it more durable and scratch-resistant. The concealed bi-fold butterfly buckle is convenient and comfortable to wear, and fits the wrist better without pinching hand hair. The wristband can be increased or decreased by the gift adjuster according to the size of the wrist.
- ⌚ Self Winding Watches : HD luminous effect is excellent, even in the dark, it can display completely and clearly. Sealed high-hardness coating mirror, wear-resistant and scratch-resistant, can swim, can bath in cold water but can not dive.
- ⌚ OLEVS Men's Watches: This store offers 60 days free returns and a 2-year product warranty, extended to after Christmas, so there is no need to worry about damaged goods that cannot be returned for a refund. Package includes watch/gift box/free adjustment tool/user guide. If you encounter problems while using the watch, you can contact us through Amazon and a professional after-sales team will provide you with services.
Rank #4
- Product Design]: Featuring an industrial-style hollow skeleton dial with tourbillon-style movement, this luxury automatic timepiece offers bold mechanical aesthetics. The exposed gears and tourbillon mechanism create a raw, captivating display, complemented by a polished stainless steel strap for a refined industrial finish.
- [Material & Quality]: Crafted with a durable stainless steel strap and case that resist daily wear, housing a reliable automatic self-winding movement with tourbillon-style detailing. The materials are selected to maintain their distinctive appearance through regular use, providing a luxury timepiece that combines industrial mechanical artistry with lasting construction.
- [Dimensions]: The case is proportioned to clearly showcase the hollow skeleton tourbillon-style movement while maintaining a comfortable fit on the wrist. The adjustable stainless steel strap ensures a secure fit across various wrist sizes, allowing for confident wear during formal events and sophisticated daily occasions.
- [Applicable Scenarios & Users]: Ideal for formal events, creative environments, and watch enthusiasts who appreciate industrial-style mechanical design, this watch suits men who value the fusion of raw industrial aesthetics with tourbillon-style skeleton artistry. Its water-resistant construction supports daily activities, making it a distinguished choice for those seeking a unique luxury timepiece.
- [Quality Service]: We prioritize your satisfaction with dedicated customer support. If you have any questions about your watch, our team is ready to provide assistance to ensure a smooth experience with your purchase.
Rank #3
- Dynamic wheel: FEICE Watches for Men FM666 men’s automatic watch by boasts a unique feature of a floating wheel at the 12 o’clock position, showcasing its stunning craftsmanship. （Only rely on external shaking to swing, will not swing because of the second hand walking）
- Supercar-themed design: With a 16-cylinder model on display at the 6 o’clock position, visually impressive. The 5-side skeleton design is inspired by the sleek and modern design of supercars, making it a perfect fit for car enthusiasts.（Equipped with a one-piece supercar cockpit steel case for durability）
- MOTION POWERED: The automatic movement of this watch is powered by the natural movement of the wrist, which means there is no need for batteries or winding. The watch figures are: diameter 42.5 mm, thickness 16 mm, strap width 22 mm. A very practical and good looking skeleton automatic watch with a large dial!
- Japanese Precision for Reliable Timekeeping Equipped with a Japanese automatic movement, the FM666 automatic watch ensures precise and reliable timekeeping, providing both style and substance in one package.Mechanical watches must be worn at least 8 to 10 hours a day, if it does not get enough energy, please wind your watch manually by rotating the crown about 20 laps.
- Waterproof : Feice Watch For Men Automatic Watch The waterproof rating is 3 ATM, it can work in rain and some splashes, not suitable for soaking in water, such as bathing, swimming or diving.
Sources
- Bell & Ross US product page — specifications, edition size, listed price and displayed availability.
- Bell & Ross 2025 technical user guide — power reserve, precision tolerance, winding estimate and servicing guidance.
- Monochrome Watches — reported euro price and power reserve.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
