Control Chronograph Calendar 40 mm, stainless steel with a brown calfskin strap, self-winding manufacture caliber 759 with chronograph function, moon-phase display, date display, day-of-the-week display, and month display | Reference Number JC020042

The Jaeger-LeCoultre Chronograph Ref. 4138431 combines classic aesthetics with modern technology in a confident design. The 40-millimeter stainless steel case sits comfortably on the wrist and frames a silver-toned dial, which offers clear readability thanks to a combination of hour markers and Arabic numerals. The small seconds subdial and chronograph counters precisely mark the time, while the date, day of the week, and month provide subtly integrated additional information. The watch is powered by self-winding manufacture caliber 759, whose intricate mechanics are impressively showcased through the sapphire crystal case back. The 65-hour power reserve ensures lasting autonomy. A brown calfskin stap with a folding clasp underscores the elegant character and ensures a comfortable, secure fit. With water resistance up to 5 bar and the in-house 1000 Hours Control, this timepiece stands for proven reliability and the highest precision from the Manufacture.