Cartier, two wristwatches

Cartier, two wristwatches, 'Must de Cartier', ref 2415, and 'Tank Solo', ref.3170, the 'Must de Cartier' in silver gilt with a white dial, case width 2.2cm, quartz movement, signed Cartier, numbered 227779CD, Swiss assay marks, quartz movement; the 'Tank Solo' in stainless steel with a leopard print dial, case width 2.4cm, signed Cartier, numbered 733902 PX, quartz movement, each to a leather strap with a deployant clasp