29,900 CHF
Albert H. Potter & Co., Geneva, No. 4, made circa 1890. Rare 18K gold, hunting cased, keyless pocket chronometer. Three body, massive, "bassine et filets" engineturned, the cover centre with a small monogram. Glazed gold cuvette. White enamel with Roman numerals and sunk subsidiary seconds. Blued steel Breguet hands. 21 -, nickel plated, patented caliber, spotted decoration, 21 jewels, majority in screwed gold settings, great wheel screwed on to the barrel cap. Patented pivoted detent escapement, shock-absorbing counterpoised and off set passing spring. Two-arm cut bimetallic balance, free sprung helical balance spring with terminal curves. Signed on the dial and movement. Diam. 56 mm. Notes Tlns watch is descr ibed and illustrated by George Daniels and Cecil Clinton in Watches, Philip Wilson publishers 1979, fig. 339 a-b.
Auctioneer:
Antiquorum
Date:
1997-10-18
