Richard Mille RM 023 — diamond-set white gold case on a white alligator strap
Movement
Automatic winding, skeletonised
Size
45.00 × 38.30 × 11.25 mm

Overview

Diamond-set white gold case on the RM 023 automatic

The RM 023 was introduced in 2009, based on the RM 010 and sized between the RM 007 and the RM 010 at 45.00 × 38.30 × 11.25 mm. Richard Mille designed it as a unisex model, with an asymmetrical dial layout carrying appliqué Roman numerals on sapphire and a sculpted crown with an Alcryn® collar.

The case is diamond-set 18k white gold. The calibre RMA02 is an automatic movement with hours, minutes, seconds, date and a variable-geometry rotor.

Key details

Case materialDiamond-set 18k white gold
MovementCalibre RMA02, automatic winding
Case dimensions45.00 × 38.30 × 11.25 mm

Design and engineering

  • Variable-geometry rotorThe rotor carries white gold V-shaped ribs and a weight segment milled along the outer edge from a tungsten/cobalt alloy, on synthetic ceramic ball bearings. Its geometry is set to the wearer’s activity level before the watch leaves the workshop.
  • Double barrelThe double barrel system reduces wear on the movement and evens out variations in the power delivered to the going train.
  • PVD-treated titanium baseplateBaseplate, bridges and balance-cock are titanium with a PVD treatment and extensive skeletonisation, developed for rigidity and surface flatness.
  • Movement mountingNo casing ring is used. The movement is seated in the tripartite case on chassis mounting rubbers fixed with four titanium screws, isolating it from shock and vibration.
  • Appliqué numerals on sapphireRoman numerals are applied directly to the sapphire in an asymmetrical layout.
  • Alcryn®-collared crownThe sculpted crown carries a collar in Alcryn®.

The reference

Technical specifications

RM 023 Diamond
ReferenceRM 023
CalibreRMA02
MovementAutomatic winding, skeletonised
FunctionsHours, minutes, seconds, date, variable-geometry rotor
Baseplate and bridgesTitanium, PVD treated
RotorVariable geometry, white gold V-shaped ribs, tungsten/cobalt weight segment, ceramic ball bearings
BarrelDouble barrel
Case dimensions45.00 × 38.30 × 11.25 mm
Case shapeTonneau
Case material18k white gold, diamond set
Case constructionTripartite; movement on chassis mounting rubbers with 4 titanium screws, no casing ring
DialSapphire with appliqué Roman numerals, asymmetrical layout
CrownSculpted, Alcryn® collar
CrystalSapphire
StrapWhite rubber
Year2009

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