Important Collectors Wristwatches, P...
Geneva, Mandarin Oriental Hotel Du Rhône, Nov 12, 2006
LOT 208
?Tourbillon Chronometer Working Model? Deutsche Uhrmacherschule, Glashutte in Sachsen. Made by M. Stellmann, Hannover, circa 1920. Very fine and rare, working model of a one-minute tourbillon with pivoted detent chronometer escapement.
CHF 5,500 - 7,500
EUR 3,500 - 4,700 / USD 4,500 - 6,000
Sold: CHF 13,570
C. Square mahogany base, brass-framed glazed cover. M. Brushed brass base plate, going barrel in the base, two-pillar bridge with foliate engraving and initials ?MS?, matte silvered one-minute tourbillon carriage with three turned brass ringed pillars, Earnshaw type chronometer escapement with pivoted detent and steel locking pin, free-sprung bimetallic compensation balance with meantime and temperature adjustment screws, blued steel Breguet balance spring. Signed on the base plate and carriage. Dim. 19.5 x 20 x 11 cm.
| Grading System | |
|---|---|
Grade: AA |
Very good |
Case: 3 |
Good |
Movement: 3 |
Good |