Breguet Classique alarm ref: 3600 18ct gold wristwatch, dial: guilloche; silver dial with Roman numerals. Calibre: automatic calibre 579. Case: 18ct gold case back secured with six screws. Serial number: 2577 G. Case number: 3600. Closure: black alligator-skin strap, 18ct gold buckle. Dimensions: 38 mm. Signed: case, dial, movement and band. Accessories: original box.