Movement
Manually wound mechanical movement, Jaeger-LeCoultre Calibre 380, crafted and decorated by hand
21 600 vibrations per hour
2 independent barrels, each with a 50-hour power reserve
Approximately 445 parts
47 jewels
6.95 mm in height
33.70 in diameter (15 lines)

Functions
Hour, minute, centre seconds
Power reserve
Chronograph power reserve
Chronograph: concentric hours and minutes, seconds
Jumping seconds

Dial
Opaline magnetite grey

Hands
Hour and minute: leaf-type, brass, gold-plated
Chronograph hour and minute: leaf-type, rhodium-plated
Seconds: baton with pear-shaped counterweight, gold-plated (hour-minute), rhodium-plated (chronograph)
Power reserve: baton type, gold-plated (hour-minute), rhodium-plated (chronograph)

Crown
1 crown to start the watch, and to wind the watch’s power reserve
Clockwise to wind the chronograph power reserve and counter-clockwise to adjust the hours and minutes
1 single push-piece to control the chronograph and jumping seconds: start/stop/reset

Case
ø 42 mm, 18-carat pink gold
Welded lugs
Polished and satin-brushed finishes
Domed sapphire crystals, hardness No. 9, glare-proofed on front and back
Water-resistant to 50 metres

Strap
Matte chocolate-brown 21/18
18 mm double folding clasp in 18-carat gold