Collector's Pocket Watches, Wristwatc...

Geneva, Mar 20, 2003

LOT 229

Birch & Gaydon Ltd, 153 Fenchurch Street, London, "Mark II", Reversing Stop Watch for Equal Distance Bomb Sight, Height in Thousands of Feet, Ref. 176, Swiss. Produced in the 1940?s. Very fine and rare, stainless steel military, round single button, back and forth "retrograde" chronograph.

C. three-body, brushed, lobed revolving bezel, wire lugs. D. white with painted Arabic numerals graduated from 0.5 to 14, the red hand on the outer graduation in fifth of second can be set by turning the bezel. "Bâton" blued steel chronograph hand. M. Cal. 18 3/4 ''' gilt brass, 15 jewels, lever escapement, monometallic balance, self-compensating Breguet balance-spring. The pusher on the 11 is for stopping the chronograph hand, the coaxial pusher on the winding-crown is for starting the chronograph function back and forth and return to zero.Case numbered. Diam. 56 mm.