Case
Tripartite, round
Movement
Automatic winding
Size
45.70 × 9.20 mm

Overview

The 2015 successor to the RM 033, with date and small seconds

The RM 33-01 followed the RM 033 in 2015. It retains the round tripartite case construction — front bezel, caseband, back bezel — and the off-centre platinum micro-rotor, but the calibre gains a date display and a small seconds subdial, and the case grows in height from 6.30 mm to 9.20 mm at the same 45.70 mm diameter.

The small seconds subdial, with a red-tipped hand, sits at 6 o’clock and the date aperture at 7 o’clock. The baseplate and bridges are grade 5 titanium, sandblasted and electroplasma treated, with satin-finished surfaces and hand-applied chamfers.

Key details

Case dimensions45.70 × 9.20 mm
DisplaysHours, minutes, small seconds, date
Water resistance30 m

Design and engineering

  • Off-centre platinum micro-rotorRetained from the RM 033, winding the barrel from a decentralised position so that overall movement height stays low.
  • Small seconds and dateThe small seconds subdial, with a red-tipped hand, sits at 6 o’clock; the date aperture at 7 o’clock.
  • Grade 5 titanium calibreSandblasted and electroplasma treated, with satin-finished surfaces and hand-applied chamfers.
  • Tripartite caseFront bezel, caseband and back bezel, assembled with 14 grade 5 titanium spline screws — the construction Richard Mille uses for both its round and its tonneau cases.
  • Validation testingThe calibre was subjected to shock and temperature-variation testing as part of Richard Mille’s standard qualification programme.

Specifications

Technical specifications

RM 33-01 · Technical datasheet
ReferenceRM 33-01
MovementAutomatic winding
FunctionsHours, minutes, small seconds, date; off-centre platinum micro-rotor
BalanceFree-sprung, variable inertia
Frequency21,600 vph (3 Hz)
Baseplate and bridgesGrade 5 titanium, sandblasted, electroplasma treated
RotorOff-centre platinum micro-rotor
Small seconds6 o’clock, red-tipped hand
Date7 o’clock
CaseTripartite, round
Case dimensions45.70 × 9.20 mm
Case assembly14 grade 5 titanium spline screws
Water resistance30 m
StrapRubber, grade 5 titanium folding clasp
Introduced2015

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RM 33-01 · Ref. RM 33-01

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