A. Lange & Söhne Grand Lange 1 'Luminous'
Case : Polished white gold case 750/1000 with a sapphire caseback, corrector at 10 o'clock
Strap : Black leather strap with white stitching, original white gold pin buckle
Dial : Matte-black off-set hour dial, with luminous Roman numerals & minute indexes & alpha hands, power reserve sub-dial
Movement : German silver manually wound movement with 3/4 plate and Glashütter stripes, gold chatons, blued screws, swan neck regulator, engraved balance cock, big date, power reserve complication
Cal : 901.2
Ref : 115.029
Movement No : 41596
Case No : 1540**
D : 41.9 mm
Year : 2004