Brand Richard Mille
Model RM 38-02 Tourbillon Bubba Watson Manual Winding
Year 2022
CASE
Case in
Carbon caseback
Dimensions
43.70 x 50.04 mm x 15.95 mm
Glasses
Sapphire crystal with anti-reflective coating
Water resistance
Pressure tested to 50 m
MOVEMENT
Movement dimensions: 29.52 x 30.84 mm
Thickness: 9.19 mm
Tourbillon diameter: 10.90 mm
Balance wheel diameter: 9.12 mm
Number of jewels: 21
Balance: Glucydur®, 2 arms and 4 setting screws, moment of inertia 11.50 mg•cm2, angle of lift 53º
Frequency: 21,600 vph (3 Hz)
Balance spring: elinvar by Nivarox®
Shock protection: KIF Elastor KE 160 B28
Barrel shaft: nickel-free Chronifer® (DIN x 46 Cr 13 + S) with the following characteristics: stainless – antimagnetic – suitable for tempering