A. Lange and Sohne 414.028 1815 Chronograph 18K White Gold BLACK DIAL SEALED (28560)

28560 A. Lange & Sohne 414.028 1815 Chronograph 414028, new release in 2017 with pulsation dial, 18k white gold case with 18k white gold tang buckle, manual wind A. Lange & Sohne caliber L951.5 movement, 60 hour power reserve, black dial with painted white Arabic numerals and iconic pulsation scale on the dial, 18k white gold hands, sapphire crystal, display back, size 39.5mm, thickness 10.8mm, Factory sealed and unworn with box and papers dated 03/2018.

$48,500

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More about A. Lange and Sohne 414.028 1815 Chronograph 18K White Gold BLACK DIAL SEALED

This is an 18k white gold A. Lange & Sohne 1815 414.028. It has an alligator leather strap with a white gold ALS tang buckle, and a domed scratch resistant sapphire crystal with anti-reflective coating inside. It has rectangular chronograph push buttons, an 18k white gold winding crown, and an exhibition domed sapphire display case back secured with 6 screws. It's engraved around the perimeter of the case back with "A. LANGE & SOHNE , GLASHUTTE SA," and 4 hallmarks. The 39.5mm diameter solid three-body case, curved lugs, and rounded bezel, are polished/brushed. The dial is black with white painted Arabic numeral hour markers, rhodium plated white gold sword hands, and a center sweep chronograph hand with a diamond-shaped skeletonized counter balance. There is a white outer minute/one-fifth second track, and around the perimeter is a pulsometer scale up to 200 BPM and graduated for 30 pulsations. There are twin recessed subsidiary dials with white numerals and railroad-style scales, including a running small seconds register at 8 o'clock, and a 30-minute chronograph totalizer is at 4 o'clock. It has a 60-hour power reserve at full wind, and it's water resistant to 25 meters/82 feet. The 10.8mm thick case, dial, and movement are all signed.

This A. Lange & Sohne 1815 414.028 has a mechanical manual winding A. Lange & Sohne caliber L951.5 movement. The plates and bridges are made of untreated German silver, with Cotes de Geneve embellishment, and a balance cock that's hand engraved. It's constructed with 34 jewels (including 4 in screwed gold chatons, 306 components, blued screws, and a Kif shock absorber device. It includes a monometallic balance that's adjusted to 5 positions, a straight-line lever escapement, and a shock-resistant balance wheel with eccentric poising weights. The balance spring vibrates at a frequency of 18,000 vph (2.5 Hz), and there is a precision beat-adjustment system with a lateral setscrew and a whiplash spring.

The A. Lange & Sohne 1815 414.028 Chronograph was launched in 2017.