Case material: Yellow gold; Charge: Manual; Conditions: Never worn Presentation condition : With boxes and all papers; Model: Classique Price on request Gmtbroker Reference: 3657BA/12/9V6 breguet grande complication tourbillon - yellow gold w/ power reserve & 24 hour indicator * * one of the nicest hand engraved movements ever * * from the grand complication collection by breguet, this watch features. beautifully hand engraved (engine-turned) silver dial with the time display offset towards the top part of the dial. specs: * tourbillon located at the 6 o'clock hour marker with integrated seconds hand. * power reserve indicator located to the left of the dial * retrograde 24 hour indicator which helps tell if the watch is displaying am or pm located to the right of the dial. * roman numeral hour markers. * blued "breguet" style hands. * transparent case back allows to view the stunning hand decorated movement plate. * approximate 50 hour power reserve. also known as: breguet 3657ba/12/9v6, 3657ba-12-9v6, 3657ba129v6