Description

RM 38-02 Tourbillon Bubba Watson

This watch is the fourth in the series to wear Bubba’s name throughout the course of the athlete’s 10 years working with the Richard Mille family. Produced in a numbered limited edition of 50 pieces, it is practically the watchmaking equivalent of a hole in one. RM 38-02 Tourbillon Bubba Watson has Tourbillon movement wound manually with hours and minutes.

Specifications

• Brand: Richard Mille (RM)
• Model: RM 38-02
• Condition: New & Unworn
• Mechanism: Manual winding
• Calibre: RM38-02
• Power reserve: Around 70 hours (± 10%)

Movement Characteristics

• 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

Case: The Pink and white Quartz TPT® is used to create the caseband and caseback, while pink and white Quartz TPT® is used to create the bezel and caseback. To accomplish water resistance to 50 meters, the casing is built with 20 grade 5 titanium spline screws, two Nitrile O-ring seals, and 316L stainless steel abrasion-resistant washers.