- Movement
- Manual winding tourbillon
- Size
- 48.00 × 39.30 × 13.84 mm on the Dual Time Zone execution
Overview
Perini Navi Cup tourbillon with second time zone
The RM 015 follows the RM 014 in the Perini Navi Cup series and adds a second time zone to the function set. The calibre is a manual winding tourbillon with hours, minutes, second time zone, power-reserve indicator, torque indicator and function selector.
The crown, case outlines, tourbillon and winding-barrel bridges and the case screws all take their shapes from details found on Perini Navi vessels. Two executions were made: an earlier one in red gold and white gold, and a later Dual Time Zone version combining a black ceramic bezel and caseback with an NTPT carbon caseband.
Key details
SeriesPerini Navi Cup, following the RM 014
MovementCalibre RM015, manual winding tourbillon
Design and engineering
- Second time zoneThe RM 015 adds a second time zone display to the RM 014’s function set, alongside the power-reserve and torque indicators and the function selector.
- Perini Navi detailingThe shapes of the crown and case outlines, the tourbillon and winding-barrel bridges, and the titanium screws of case and movement are derived from details on the Perini Navi vessels built at Viareggio.
- Escapement and balance springA new in-line escapement design reduces friction. The balance spring uses the calculated terminal curve developed in the 18th century and codified in the 19th, which gives good chronometric results in tourbillon escapements.
- Rigidified ARCAP central bridgeRibbed for greater rigidity in the baseplate and bridge assembly.
- Going trainWinding barrel teeth and pinion with a central involute profile at a 20° pressure angle, giving effective rotary motion and compensating for variations in going-train engagement.
- Dual Time Zone executionThe later version measures 48.00 × 39.30 × 13.84 mm with a black ceramic bezel and caseback, an NTPT carbon caseband, Nitrile seals and titanium screws, water-resistant to 50 metres, on a black rubber strap with a folding clasp, sold through Richard Mille boutiques only.
The reference
Technical specifications
| Reference | RM 015 |
|---|---|
| Calibre | RM015 |
| Movement | Manual winding tourbillon |
| Functions | Hours, minutes, tourbillon, second time zone, power-reserve indicator, torque indicator, function selector |
| Case dimensions | 48.00 × 39.30 × 13.84 mm on the Dual Time Zone execution |
| Crystal | Sapphire, both sides |
| Water resistance | 50 m |
| Strap | Black rubber |
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