Escapement Model 'One-minute Flying Tourbillon Regulator with Spring Detent Chronometer Escapement' French or German. Made circa 1920. Fine and rare, working model of a Lange 1 with a one-minute flying tourbillon carriage and spring detent escapement, under a glass dome and with new wooden base. | The Mondani Collection of Rolex Wristwatches / Important Collectors Wristwatches, Pocket Watches & Clocks

The Mondani Collection of Rolex Wrist...

Geneva, May 14, 2006

LOT 583

Escapement Model ?One-minute Flying Tourbillon Regulator with Spring Detent Chronometer Escapement? French or German. Made circa 1920. Fine and rare, working model of a Lange 1 with a one-minute flying tourbillon carriage and spring detent escapement, under a glass dome and with new wooden base.

CHF 12,000 - 15,000

EUR 7,500 - 10,000 / USD 9,000 - 12,000

C. Turned wood, glass dome. M. Circular brass plates with ?fausses cotes? decoration, cylindrical pillars, going barrel, brass Lange 1 type tourbillon carriage with spotted decoration, Earnshaw spring detent escapement, bimetallic compensation balance with mean time adjustment screws and two cylindrical brass weights equidistant along the rim, blued steel Breguet balance spring. Dim. 20 x 11 cm. To be sold without reserve

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Grading System
Grade: AA	Very good
Case: 3	Good
Movement: 3*	Good Overhaul recommended, at buyer's expense

LOT 583

CHF 12,000 - 15,000

Grade: AA

Very good

Case: 3

Good

Movement: 3*

GoodOverhaul recommended, at buyer's expense

Good
Overhaul recommended, at buyer's expense