ZENITH Defy Double Tourbillon El Primero 9020 46mm Watch necklace The diamonds boast a very

The diamonds boast a very good cut grade

Its timeless design ensures it remains a cherished addition to your jewellery collection for years to come

The 42mm case houses a black dial with black Swiss Super-LumiNova accents and a date window

the Interlocking G enriches a yellow gold chain bracelet

ZENITH Defy Double Tourbillon El Primero 9020 46mm Watch necklace The diamonds boast a veryA limited edition of 10 pieces, the DEFY 21 Double Tourbillon Sapphire is crafted in a 46mm transparent sapphire case showing the 1 100th of a second chronograph with a 60 second tourbillon driving the time and a 6 second tourbillon driving the chronograph in a special "starry sky" movement decoration.