Jaeger-LeCoultre Duomètre à Sphérotourbillon
Ref. 605 25 20















Movement: Mechanical manually-wound Jaeger-LeCoultre Calibre 382, crafted, assembled and decorated by hand, nickel silver bridges and main plate
2 barrels
50-hour power reserve
460 parts
55 jewels
10.45 mm thick
33.70 mm in diameter
Sphérotourbillon:105 parts
Tourbillon carriage: grade 5 titanium
Total rotation speed: 30 seconds for a complete revolution 2 combined movements
Carriage axis rotation speed:15 seconds for a complete revolution.
Carriage rotation speed:30 seconds for a complete revolution
Carriage inclination:20°
Carriage diameter:11.50 mm
Carriage mass: 0.518 grams
Balance:14-carat gold with eccentric inertia blocks in 14-carat gold,
inertia = 12.5 mg.cm²,
21,600 vibrations per hour
Balance-spring:Cylindrical
Functions:Hours (travel time), minutes and small seconds with flyback function
Power reserves (indications and movement)
Pointer-type date display
24-hour reference time-zone
Sphérotourbillon
Case: 18-carat pink gold
Diameter: 42 mm
Thickness:14.1 mm (including the sapphire crystal)
Finish:Polished and satin-brushed
Crystals: Domed glareproofed front and back sapphire, hardness n°9
Water resistance: 5 bars
Dial :Crystalline grained pink gold appliqués Hands Hours and minutes:“leaf” type
Small seconds: baton type with pear-shaped counterweight, blued steel
Crowns : One crown to wind the watch, set the time (travel time-zone), adjust the date and adjust the travel time-zone
One push-piece at 2 o’clock to activate the small seconds flyback mechanism
Strap : Hand-sewn crocodile leather,
18-carat pink gold pin buckle
Reference :605 25 20