Jaeger-LeCoultre
Stainless steel, self-winding, “tonneau”-shaped, large gentleman’s
wristwatch, with case-back screwed by four screws, integrated system for
interchangeable bracelet, winding-crown and push-pieces with compression
keys, black colour dial with subsidiary seconds at 6 and four horological
complications, including chronograph, 30-minute counter at 3 o’clock, 12-
hour counter at 9 o’clock, date at 3 o’clock.