A. Lange and Sohne 414.028 1815 414.028 Chronograph 18K White Gold 2018 (34557)

34557 A. Lange & Sohne 414.028 1815 Chronograph, 414028, 18k white gold on an alligator leather strap with an 18k white gold tang buckle, manual wind caliber L951.1 movement, black dial with painted Arabic numerals, chronograph with a flyback function, display back, small seconds between 7 and 9, 30-minute counter between 3 and 5, sapphire crystal, water resistant to 3 atm, size: 39.5mm, thickness: 11mm. Like New with original box and papers dated April of 2018.


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More about A. Lange and Sohne 414.028 1815 414.028 Chronograph 18K White Gold 2018

This is an 18K white gold A. Lange & Sohne 1815 Chronograph 414.028. It has a leather strap with a matching 18k white gold tang buckle and a scratch resistant sapphire crystal. It has a transparent sapphire display case back secured with 6 screws, and engraved with "A. LANGE & SOHNE – GLASHUTTE SA.," a serial number, and various hallmarks. The 39.5mm diameter case, rounded bezel, downturned lugs, rectangular chronograph pushbuttons, and winding crown are all polished. The dial is black with white painted Arabic numeral hour markers, white gold alpha hands, a centered sweep chronograph hand, and an outer minute track. The chronograph has a flyback function that lets the stopwatch be instantaneously restarted for continuous events without stopping or being reset. The chronograph minute hand doesn't continuously move, but jumps in 1-minute increments, allowing for an accurate reading of the timing function. It has stop seconds - pausing the second hand when the crown is pulled out in order for the time to be set accurately. There is a 30-minute subsidiary dial between 3 and 5 o'clock, and a constant seconds sub dial between 7 and 9 o'clock. It's water resistant to 30 meters/100 feet, and there is a 36-hour power reserve at full wind. The 10.8mm thick case, dial, and movement are all signed.

The automatic self-winding A. Lange & Sohne caliber L951.1 movement is made from Glashütte 3/4 plate, with Cotes de Geneve and fausses cotes embellishment. It's constructed with 40 jewels, 405 components, screw-mounted gold châtons, and a shock absorber mechanism. It includes blued screws, a straight-line lever escapement, a monometallic balance that's adjusted to 5 positions. There is a self-compensating Breguet balance spring, a swan-neck micrometer regulator, and a hand-engraved balance bridge. Each component of the movement has fine polished beveled edges, and a hand-engraved balance cock. The rotor oscillates at a frequency of 18,000 vph.