That may well be why Swiss watch brand Jaeger-LeCoultre has spent a great deal ... including a diamond-set 1932 DuoPlan, a 1933 red-dial Reverso, a 1946 Triple Calendar, a 1957 Futurematic ...

All this is set against the striking black enamel dial, which looks deceptively plain but belies the complex and unpredictable nature of Grand Feu enamelling. As one of the few watch manufacturers ...