- Size
- 38.70 × 47.52 × 7.75 mm
Overview
Banded diamond setting on a white metal case
The photograph shows round diamonds set in bands across the upper and lower bezel and the case sides of a white metal case, with white numerals over the skeletonised movement and a black rubber strap.
TI in the label stands for titanium. Richard Mille’s documented gem-set RM 67-01 executions are in precious metal; the case material of this execution is not stated here.
Key details
Case as photographedWhite metal with banded diamond setting
MovementCalibre CRMA6, 3.60 mm thick
Design and engineering
- Calibre CRMA6Skeletonised automatic winding movement with hours, minutes, date and function indicator. It measures 29.10 × 31.25 mm with a thickness of 3.60 mm, runs on 25 jewels at 28,800 vph (4 Hz) and provides around 50 hours (± 10%) of power reserve.
- Banded settingRound stones are set in bands across the upper and lower bezel and along the case sides, with the metal left visible as framing between the bands and around the case screws.
- Baseplate and bridgesGrade 5 titanium. The baseplate is microblasted with a grey electroplasma treatment; the bridges are microblasted and black electroplasma treated, which Richard Mille records as a first for the brand.
- Platinum rotorA platinum rotor on the OneWay® winding system with ceramic ball bearings, which allows the barrel to be wound efficiently while keeping the movement’s compact dimensions.
- Fast-rotating barrelOne revolution every five hours instead of seven and a half, which Richard Mille specifies for reduced periodic internal mainspring adhesion and a favourable mainspring delta curve.
- Free-sprung balance with variable inertiaCuBe, four arms and four setting screws, a moment of inertia of 7.5 mg·cm² and an angle of lift of 50°, with an AK3 balance spring and Incabloc 908.22.211.100 shock protection. The regulator index is eliminated in favour of four adjustable weights on the balance.
The reference
Technical specifications
| Reference | RM 67-01 |
|---|---|
| Calibre | CRMA6, automatic winding, skeletonised |
| Functions | Hours, minutes, semi-instantaneous date at 5 o’clock, function indicator at 2 o’clock |
| Power reserve | Around 50 hours (± 10%) |
| Frequency | 28,800 vph (4 Hz) |
| Jewels | 25 |
| Movement dimensions | 29.10 × 31.25 mm |
| Movement thickness | 3.60 mm |
| Baseplate | Grade 5 titanium, microblasted, grey electroplasma |
| Bridges | Grade 5 titanium, microblasted, black electroplasma |
| Rotor | Platinum, OneWay® with ceramic ball bearings |
| Balance | CuBe, 4 arms, 4 setting screws, inertia 7.5 mg·cm², lift angle 50° |
| Balance spring | AK3 |
| Shock protection | Incabloc 908.22.211.100 (transparent) |
| Barrel | Fast rotating, five hours per revolution instead of 7.5 |
| Going train | 20° pressure angle |
| Date | Semi-instantaneous, vertical aperture at 5 o’clock |
| Function indicator | Hand at 2 o’clock showing W, D or H |
| Case dimensions | 38.70 × 47.52 × 7.75 mm |
| Numerals | Solid metal on two titanium rails |
| Crystal | Sapphire, both sides |
| Water resistance | 50 m |
| Gem-setting | Mid setting, round diamonds, bezel and case sides |
| Strap | Black rubber |
Buying with HYPA
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