A. Lange & Söhne Grand Lange 1 ‘Black & Grey’ Boutique Edition
Case : Round case in 18k rose gold, polished and brushed, fixed bezel in 18k rose gold, polished, sapphire caseback fixed on 6 screws and engraved ‘A. Lange & Söhne Glashutte i.Sa.’ and case number, winding crown at 3 o’clock with ‘A. Lange & Söhne’ inscription embossed
Strap : Black alligator strap, pin buckle in 18k rose gold, engraved ‘Lange’
Dial : Black dial, signed ‘A. Lange & Söhne Glashutte i/Sa’, rose gold ‘alpha’ hour and minute on slate grey recessed and grooved main sub-dial at 9 o’clock with applied rose gold Roman numerals at 3, 6, 9 and 12 o’clock and applied lozenge hour markers, recessed and grooved slate grey small seconds sub-dial at 5 o’clock, big date in double gold-framed aperture at 1 o’clock, power reserve hand at 3 o’clock
Movement : Hand-wound mechanical movement, made of German silver without coating, bridges with Glashutte stripes, mainplate with perlage, engraved and guilt inscriptions, 9 screwed gold chatons, blued screws, hand-engraved balance cock, index adjuster with whiplash spring, functions: hours, minutes, small seconds, big date, power reserve
Cal : A. Lange & Söhne L901.2
Ref : 115.031
D : 42 mm