Lot 15: Longines Chronomètre, Movement No. 8750605, Cal. 30B, 43 mm, circa 1950
November 10, 2012
Frankurt, GermanyLive Auction
Description: A rare observatory competition chronometer Case: nickel, polished, glazed push back. Dial: silver, Arabic numerals, auxiliary seconds, blued leaf hands. Movm.: bridge movement, rhodium-plated, ground, chatoned, 21 jewels, Guillaume gold screw compensation balance, blued balance spring with two terminal curves. Caliber 30B During this time Longines used various movements of a diameter of 30 mm to comply with the testing standards for wristwatches. This one indicates it is the 6th watch made of a mini series of only 60 pieces total. Very unique off center movement to allow more space for the escapament.