Audemars Piguet. An 18ct gold, automatic calendar wristwatch with phases of the moon 

 Reference 25589BA, European convention hallmarks, Case number C30706/298248 

 Jewelled Cal: 2124/2810 automatic movement, white dial with Roman numerals indexes, yellow gold baton hands, subsidiary dials for days of the week, calendar and phases of the moon, gold round case with snap on back, fitted leather strap with 18ct gold buckle, together with Audemars Piguet leather wallet and instruction booklet, case, dial and movement signed 

 33mm diameter