Series: RM 27-04 MANUAL WINDING TOURBILLON RAFAEL NADAL
Movement:Manual winding tourbillon movement with hours and minutes.
Power Reserve:38 Hours
Material:The baseplate and bridges are crafted from grade 5 titanium, a biocompatible, highly corrosion-resistant and remarkably rigid alloy, which guarantees the perfect functioning of the gear train.
Calibre:This calibre is based on a microblasted string mesh that is brand new to watchmaking. Formed from a single woven steel cable measuring just 0.27 mm in diameter and held in place by two turnbuckles featuring a 5N gold PVD treatment, this 855 mm2 string mesh supports the entire calibre.
Dimensions of movement: 32.75 x 28.95 mm
Thickness: 5.85 mm
Tourbillon diameter: 12.30 mm
Balance wheel diameter: 10.00 mm
Number of jewels: 19
Balance: Glucydur®, with 2 arms and 4 setting screws, moment of inertia: 11.50 mg•cm2, angle of lift 53°
Frequency: 3 Hz (21,600 vph)
Balance spring: elinvar by Nivarox®
Shock absorbers: Kif Elastor KE 160 B28
Barrel shafts: nickel-free Chronifer® (DIN x 46 Cr13 + S), with the following characteristics: stainless – non-magnetic – suitable for tempering.