Lot 38: Longines, Movement No. 1927920, Case No. 1927920, Cal. 24.99, 67 mm, 246 g, circa 1909Platinum House
November 10, 2012
Frankurt, GermanyLive Auction
Description: A rare and fine torpedo boat chronometer with 50 h power reserve; a custom product created for the Washington Observatory in 1909. This is the 5th chronometer in a very small series of only 6 pieces with unusual balance cocks. Case: silver, tiered, polished, gold crown and hinge. Dial: silvered, radial Roman hours, auxiliary seconds, blued spade hands. Movm.: bridge movement, frosted, gilt, 21 jewels, unusual caged balance wheel, screwed gold chatons, gold screw compensation balance, freesprung blued balance spring, counterpoised lever.