
- Case
- Tripartite tonneau
- Size
- 43 mm
Overview
Green sapphire over the titanium mask
The case is green sapphire — bezel, caseband and caseback — with the mask in dark titanium at the centre, so the two read as figure against ground rather than as a matched pair. The strap is white.
Producing a coloured sapphire case means growing the crystal with the colour in it, then milling and grinding the case from solid blocks, with breakage common enough through the process to account for much of the cost.
Key details
Case materialGreen sapphire
MovementManual winding tourbillon
StrapWhite
Design and engineering
- Green sapphire caseMachined from blocks of coloured synthetic sapphire.
- Mask as wheel-train and tourbillon bridgeServing as the wheel-train and tourbillon bridge rather than sitting over the movement, with the back of the mask performing the function of the centre bridge.
- Eight titanium bridgesConnecting the mask to the case and visible from the back, all grade 5 titanium and all created from a single block.
- Polished anglage on microblasted surfacesCatching light against the transparent case.
- An open readingRichard Mille leaves the reading open — a luchador, a kabuki mask, a superhero, a gladiator helmet — and describes it as a Rorschach test.
- Manual-winding tourbillonHours and minutes, the movement serving as the dial.
Specifications
Technical specifications
| Reference | RM 52-06 |
|---|---|
| Calibre | Manual winding tourbillon |
| Functions | Hours, minutes; tourbillon |
| Mask | PVD-treated grade 5 titanium or white gold; serves as wheel-train and tourbillon bridge |
| Bridges | 8, grade 5 titanium, machined from a single block |
| Case | Tripartite tonneau |
| Case dimensions | 43 mm |
| Case material | Green sapphire |
| Strap | White |
Buying with HYPA
Purchase with confidence
- Manufacturer warranty confirmed from the warranty card
- Insured worldwide delivery
- Payment by bank transfer or cryptocurrency
- Registered Australian dealerHYPA International Pty Ltd · Victorian Second-Hand Dealer Licence SHD-0018017.
- Direct specialist supportSpeak with the HYPA team before, during and after the purchase.


