This is a pre-owned Cartier Tank American LM watch, model WSTA0018. It features an aftermarket diamond embellishment on the case. The Tank American LM model, with its elegant curved lines, has roots in the Tank Sentry model introduced in New York in the 1980s.

• Case material: 18K White Gold (18KWG)
• Band material: Leather
• Dial color: White
• Movement: Automatic
• Display type: Analog
• Case dimensions: Approximately 2.6cm x 4.5cm
• Case thickness: Approximately 0.7cm
• Band width: Approximately 1.7cm
• Weight: Approximately 74.98g
• Features aftermarket diamonds