Christie’s, 28 May – our picks

A. Lange & Söhne

A rare Richard Lange Tourbillon pour le Mérite in pink gold. Lot 2494, estimate $130,000–160,000.

A rare A. Lange & Söhne Lange 31 in platinum. Lot 2491, estimate $80,000–120,000.

A. Lange & Söhne Lange 31 with a silver dial, large date and power reserve indication — A. Lange & Söhne Lange 31, platinum

The limited Lange 1 Tourbillon in platinum, number 13/150. Lot 2488, estimate $80,000–120,000.

Close-up of the A. Lange & Söhne Lange 1 Tourbillon dial with the tourbillon opening and Doppelfederhaus lettering — Lange 1 Tourbillon, number 13/150

A Datograph in platinum. Lot 2484, estimate $30,000–50,000.

A. Lange & Söhne Datograph with a black dial, white sub-dials, date window and black strap — A. Lange & Söhne Datograph, platinum

Patek Philippe

An extremely rare and important Observatory tourbillon pocket watch, made by Hector Golay and then delivered to the Patek Philippe workshop, where the movement was finished. The movement was made in 1930 and cased in 1938. Lot 2738, estimate $150,000–200,000.

Open yellow gold Patek Philippe pocket watch showing the gold movement — The movement

Reference 1518, made in 1944, with the early “Patek Philippe & Co.” dial signature and larger fonts for the day and month indications. Lot 2793, estimate $230,000–320,000.

Yellow gold Patek Philippe 1518 chronograph with moon phase and sub-dials on a dark brown strap — Patek Philippe 1518, 1944

Photographs: Christie’s.