a
Patek Philippe. A unique and historically important 18K gold perpetual calendar chronograph wristwatch with moon phases and tonneau-shaped case sold at $5,708,885

a
Patek Philippe. An extremely fine and rare 18K gold perpetual calendar chronograph wristwatch with moon phases sold at $878,360.
 

a
Patek Philippe. An extremely fine, historically important and possibly unique 18K gold full calendar wristwatch with moon phases and "roulette" dial sold at $659,454.

a
Patek Philippe. An extremely fine and rare 18K gold hinged single button chronograph wristwatch with Breguet numerals and vertically positioned subsidiary dials sold at $659,454.

a
Patek Philippe. An extremely fine, rare and attractive 18K pink gold perpetual calendar chronograph wristwatch with moon phases and pink dial sold at $615,673.

a
Patek Philippe. An extremely fine, rare and large stainless steel chronograph wristwatch with two-tone silvered dial and luminous hands sold at $550,001.