RM 61-01
RM 61-01
RM 61-01

Men's collection

RM 61-01

YOHAN BLAKE LTD EDITION

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BREAKING PERFORMANCES

For this limited edition, the "all black" scheme is replacing the green and yellow colors of the 61-01. The RM 61-01 takes all of its cues from the RM 59-01 tourbillon launched for the Olympic medalist and 2nd fastest man over 100m and 200m.

Main characteristics

The bezel and the back of the RM 61-01 are created from TZP-N, the caliber RMUL2 with its highly skeletonised grade 5 titanium movement treated with PVD and Titalyt® to provide maximum performance. Accentuating the tough character of this novel timepiece are the large crown protectors, offering full security to the crown during sports and other activities.
Limited Edition of 100 pieces.

01
CALIBER RMUL2
Manual winding skeletonised movement with hours, minutes and seconds; inspired by caliber RMUL1.
Movement weight: circa 4.3 g.

SPLINE SCREWS IN GRADE 5 TITANIUM FOR THE BRIDGES Their shape allows better control of the torque applied to these screws during assembly. The screws are thus perfectly resistant to manipulation during assembly and disassembly and are exposed to minimal wear and tear.

02
CALIBER RMUL2
Manual winding skeletonised movement with hours, minutes and seconds; inspired by caliber RMUL1.
Movement weight: circa 4.3 g.

FREE SPRUNG BALANCE WITH VARIABLE INERTIA This type of balance wheel ensures greater reliability in the event of impact as well as during assembly and disassembly of the movement. This improves precision in the long term. There is no need for an index and it is possible to adjust the inertia more finely directly on the balance wheel via 4 small adjustable small weights.

03
CALIBER RMUL2
Manual winding skeletonised movement with hours, minutes and seconds; inspired by caliber RMUL1.
Movement weight: circa 4.3 g.

BASEPLATE AND BRIDGES IN GRADE 5 TITANIUM The manufacturing of these components in grade 5 titanium with black PVD coating for the baseplate and the bridges gives the whole assembly a great rigidity and achieves excellent surface flatness, essential to the perfect functioning of the gear train. The skeletonised baseplate and the bridges have been subjected to complete validation tests to optimise their stress resistance.

04
CALIBER RMUL2
Manual winding skeletonised movement with hours, minutes and seconds; inspired by caliber RMUL1.
Movement weight: circa 4.3 g.

CALIBER RMUL2 Manual winding skeletonised movement with hours, minutes and seconds; inspired by caliber RMUL1. Movement weight: circa 4.3 g.

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Approximate scale 1 : 1

Main characteristics

The bezel and the back of the RM 61-01 are created from TZP-N, the caliber RMUL2 with its highly skeletonised grade 5 titanium movement treated with PVD and Titalyt® to provide maximum performance. Accentuating the tough character of this novel timepiece are the large crown protectors, offering full security to the crown during sports and other activities.
Limited Edition of 100 pieces.

CASE

TZP black ceramic was chosen for the RM 61-01 Yohan Blake’s bezel and caseback. This low-density material (6g/cm3) is highly scratch-resistant and has a low thermal conductivity coefficient. Constituted of 95% yttrium-stabilised zirconium, TZP has a pronounced grain that provides the perfect finish. A long and difficult machining and grinding process using diamond tools is necessary to create the complex forms of the bezel and caseback, which are given a final matt surface finish. Its drawn-out shape between 2 and 5 o’clock stops the torque-limiting crown from rubbing against the sprinter’s wrist. The caseband is in NTPT® carbon, a material composed of multiple layers of parallel filaments obtained by dividing carbon fibers. These layers, with a maximum thickness of 30 microns, are impregnated with resin, then woven on a special machine that modifies the direction of the weft by 45° between layers. Heated to 120°C at a pressure of 6 bars, the NTPT® is then ready for machining. When compared to composite materials, whose exceptional physical properties are already well known, NTPT® carbon improves breaking strains by 25% and the occurrence of micro-cracks by 200%. The RM 61-01 case is water resistant to 50 meters. It is assembled with of 20 spline screws in grade 5 titanium and abrasion-resistant washers in 316L stainless steel

CASE

TZP black ceramic was chosen for the RM 61-01 Yohan Blake’s bezel and caseback. This low-density material (6g/cm3) is highly scratch-resistant and has a low thermal conductivity coefficient. Constituted of 95% yttrium-stabilised zirconium, TZP has a pronounced grain that provides the perfect finish. A long and difficult machining and grinding process using diamond tools is necessary to create the complex forms of the bezel and caseback, which are given a final matt surface finish. Its drawn-out shape between 2 and 5 o’clock stops the torque-limiting crown from rubbing against the sprinter’s wrist. The caseband is in NTPT® carbon, a material composed of multiple layers of parallel filaments obtained by dividing carbon fibers. These layers, with a maximum thickness of 30 microns, are impregnated with resin, then woven on a special machine that modifies the direction of the weft by 45° between layers. Heated to 120°C at a pressure of 6 bars, the NTPT® is then ready for machining. When compared to composite materials, whose exceptional physical properties are already well known, NTPT® carbon improves breaking strains by 25% and the occurrence of micro-cracks by 200%. The RM 61-01 case is water resistant to 50 meters. It is assembled with of 20 spline screws in grade 5 titanium and abrasion-resistant washers in 316L stainless steel

CROWN

In NTPT® carbon with Alcryn® collar.

SPLINE SCREWS IN GRADE 5 TITANIUM FOR THE CASE

Their shape allows better control of the torque applied to these screws during assembly. The screws are thus perfectly resistant to manipulation during assembly and disassembly and are exposed to minimal wear and tear.