SPLINE SCREWS IN GRADE 5 TITANIUM FOR THE BRIDGES
This permits better control of the torque applied to the screws during assembly. These screws are therefore unaffected by physical manipulation during assembly or disassembly and age well.
Upper and lower flanges in black grade 5 titanium.
Bezel side: in sapphire (1,800 Vickers) with anti-glare coating (on both sides)
Thickness: 1.50 mm
Case back: in sapphire with anti-glare coating (on both sides)
Thickness: 1.20 mm in the centre and 2.04 mm at the outer edges
- Movement dimensions: 32.20 x 29.00 mm
- Thickness : 5.17 mm
- Tourbillon diameter: 12.30 mm
- Balance wheel diameter: 10.00 mm
- Jewels: 21, set in white gold chatons
- Balance: Glucydur, 2 arms, 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: in nickel-free chronifer (DIN x 46 Cr 13 + S) with the following characteristics: stainless- antimagnetic -
suitable for tempering.
- Anglage and polishing by hand
- Hand-polished lock-points
- Microblasted milled sections
- Lapped and polished contact points - Burnished pivots
- PVD coating
- Microblasted surfaces
- Satin brushed surfaces
- Hand-polished beveling
- Drawn sections
- Concave chamfering with a diamond tool
- Circular-decorated faces
- Surface treatment or rhodium plating (before cutting the teeth)
- Minimal corrections to preserve the geometry of the wheels and their performance
50.00 x 42.70 x 14.15 mm.
®chronoagent Luxury Montre & Car srl è una azienda italiana che vende e spedisce in tutto il Mondo orologi e gioielli, antiquariato, accessori originali a prezzi scontati, rilascia regolare fattura e certificazione di originalità