Description

RM 39-01 Flyback Chronograph Aviation

The RM 39-01 Flyback Chronograph Aviation is an extremely advanced technologically wristwatch. Many of the features and intricacy of this automatic watch, which is based on the RM 039 Tourbillon, are shared with its larger sibling. Flyback chronograph with central seconds counter, big date and month, variable-geometry rotor. UTC function, minutes, and countdown counters at 9 o’clock, and hours, minutes, and seconds at 3 o’clock.

Specifications

• Brand: Richard Mille (RM)
• Model: RM 39-01
• Condition: New & Unworn
• Mechanism: Automatic winding
• Calibre: RMAC2
• Power reserve: Around 50 hours (± 10%), 45 hours with the chronograph running.

Movement Characteristics

• Movement diameter: 39.15 mm
• Thickness: 9.00 mm
• Number of jewels: 68
• Balance: Glucydur®, 4 arms, moment of inertia 4.8 mg•cm2, angle of lift 53°
• Frequency: 28,800 vph (4 Hz)
• Balance spring: elinvar by Nivarox®
• Shock protection: INCABLOC 908.22.211.100 (transparent)
• Escapement wheel jewels: Rubifix (transparent)
• Three-position stem: Manual winding, date adjustment, time setting

Case: It is quite challenging to create the RM 39-01 case’s multi-segmented structure. There are a minimum of 800 milling operations that take several hours to complete after a turning operation that takes one hour and forty minutes. A comprehensive quality control process that lasts an entire day for each case comes next.