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1950`s Military R.A.A.F Jaeger LeCoultre Mark XI You are watching extremely rare (1 of 700 ever made) JL mark XI Military R.A.A.F watch. The general condition of the watch is very good and all parts are Original. Manufacture: Jaeger LeCoultre Caliber: JLC 488/SBr Water Resistance: 10 meters Dimensions: 34.7mm case (without crown), 38.4mm case (with crown), lug-to-lug 43.5mm, height 12.6mm, 17.0mm lugs     Specification: 16 jewel hack set caliber 488 SBr, 18000 vph SBr = Stop (hacking), Breguet overcoil Movement has a height of 5mm with a diameter of 28.8mm. Single bridge design for the motion train Rhodium brass finished with 6 Geneva Stripes (IWC Mark XI has 9) Mainspring length 420mm, width 1.28 mm, thickness 0.1275 mm Balance wheels are uncut self-compensating screw balances with Nivarox breguet overcoils, and lacks balance shock protection. Indirect drive sweeps seconds Movement serial 912528 -RAAF 53 The crown release is the screw closest to the crown Orange radium dial/hands  Spring bars (usually RAAF) “6B” means “Flying Equipment”, “6B/346” is the watch specification number, “E161” is JLC's internal reference number Antimagnetic dust cover made of soft iron encloses the movement, protecting it from magnetic fiels. screw back case oversize ORIGINAL crown, Goldsmith & Silversmith Ltd. was the broker between JLC and IWC. G&S contracted the production of the Mark XI, and distributed finished watches to RAF and RAAF. luminous markers at 3, 6, 9, 12 3 Hand styles: cast faux-cathedral hands, tapered hour & minute hands, Squared hour with tapered minute hand (Similar to IWC Mark XI) Only 2700 ever made, issued in two batches. An RAF batch in 1948, and an RAAF batch in 1953 (aprox 2000 RAF, 700 RAAF) Overheard: The Ministry of Defence applied the luminous stuff to the dial.          Click Picture to enlarge     Click Picture to enlarge     Click Picture to enlarge