A. Lange and Sohne 200th Anniversary F.A Lange 1815 Honey Gold. Model reference 236.050. It has an alligator leather strap with a Lange honey gold tang buckle, and a scratch resistant sapphire crystal. There is a screw-down exhibition sapphire display case back secured with 6 screws, engraved with “A. Lange & Sohne – Limited /200.” The 40mm diameter solid three-body case, downturned lugs, and rounded bezel are polished. It has a solid-silver argenté-grainé dial with a recessed circular center, painted black Arabic numeral hour markers, and gold epee hands. There is a perimeter railway-style minute track with dot hour markers, and a recessed subsidiary constant seconds dial is at the 6 o’clock position. It has a 55-hour power reserve at full wind, and the 8.8mm thick case, dial, and movement are all signed.
The mechanical manual winding A. Lange & Sohne caliber Lo51.1 movement has a three-quarter plate made of untreated German silver. It’s constructed with 23 jewels, 188 components, 5 screwed gold chatons, and a shock absorber device. It includes a straight-line lever escapement, a shock resistant screw balance, and a monometallic Nivarox balance spring. There is a whiplash precision index adjustor with the patented beat-adjustment mechanism. It has a hand-engraved balance cock, thermally blued screws, and the movement oscillates at a frequency of 21,600 vph (3 Hz).
This A. Lange & Sohne 1815 200th Anniversary F.A Lange, reference 236.050, was produced in a limited edition of 200 examples in 2015, dedicated to Ferdinand Adolph Lange, the company’s founder. The name 1815 stands for his birth year. “Honey gold” is a new alloy with a unique honey tone. It consists of gold, manganese, zinc and silicone. It has higher corrosion resistance and durability, and it’s more scratch-resistant than yellow or rose gold.
The watch comes in original packaging, with a set of documents.