LACO MILITARY B-UHREN VINTAGE LUFTWAFFE PILOTS WRIST WATCH CIRCA 1940S

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LACO B-UHREN VINTAGE MILITARY LUFTWAFFE NAVIGATION WRIST WATCH. GENERAL SPECIFICATIONS FOR NAVIGATION WATCHES: AS IN MARITIME NAVIGATION, AVIATION REQUIRED THE MOST PRECISE WATCHES AND CLOCKS POSSIBLE IN ORDER TO DETERMINE GEOGRAPHICAL LONGITUDE. PRECISE, ROBUST AND EASILY READ WATCHES WERE ORDERED FOR AIR TRAVEL TO DETERMINE AIRCRAFT LOCATION AND FLIGHT DURATION.PILOTS NEEDED WRIST WATCHES THAT COULD BE ACCURATELY AND INSTANTLY READ WHEN BOTH HANDS WERE BEING USED TO PILOT THE AIRCRAFT. THEIR NAVIGATION HAD TO BE WORN ON THE ARM OVER THEIR FLIGHT OUTFIT. LUFTWAFFE HIGH COMMAND GAVE EXACT INSTRUCTIONS REGARDING OPERATING PRECISION AND THE DEGREE OF MOVEMENT COMPLETION REQUIRED.BEFORE BEING DELIVERED, EVERY SINGLE WATCH HAD TO BE TESTED AND GIVEN OPERATING CERTIFICATION BY THE GERMAN NAVAL OBSERVATORY OR SOME OTHER OFFICIAL TEST INSTITUTE. THE FINE ADJUSTMENT OF EVERY WATCH HAD TO BE CONDUCTED IN SIX POSITIONS AND AT THREE VARYING TEMPERATURES. ONLY THEN COULD THE WATCH ACHIEVE 'SPECIAL OR FIRST CLASS' RATING ACCORDING TO THE GERMAN NAVAL OBSERVATORY'S TEST CONDITIONS.THE WATCH MOVEMENTS WERE UNIFORMLY CASED IN 55MM DIAMETER, GRAY VARNISHED, BRASS OR STEEL HOUSINGS WITH SNAP ON BACK COVERS. PRINTED ON THE INSIDE OF THE BACK COVER WAS THE TYPE, DEVICE AND MOVEMENT NUMBERS, STOCK NO. AND THE PRODUCERS NAME. THE DIAL FACES WERE BLACK WITH LARGE LUMINOUS ARABIC NUMERALS AND MINUTE AND SECOND INDICATORS. THE HOUR, MINUTE AND SECOND HANDS WERE COATED WITH RADIUM. THE SECOND HAND HAD A COUNTER WEIGHT. ALL WATCHES ALSO HAD CENTRAL SECOND HAND WITH THE DRIVE OUTSIDE THE POWER FLOW AND A BALANCE STOP FUNCTION FOR ACCURATE TIME SETTING. DESCRIPTION OF WATCHES: THE NAVIGATION WRISTWATCHES FROM IWC, LANGE & SOHNE, WEMPE, WALTER STORZ AND LACHER & CO, WERE REGULATED AS NAVIGATION WATCHES AND INDIVIDUALLY TESTED FOR CHRONOMETER QUALITY IN GESUNDBRUNNEN NEAR GLASHUTTE. PILOTS WORE THEM ON LONG STRAPS AROUND THEIR FLIGHT JACKETS. THE WATCH:This example is in very nice original condition, with the case only showing some ageing, there a few light scratches around the case/case-back but these are really minor.The original black dial has aged beautifully, the blued steel hands are also in very good condition. Very importantly, this example has all matching numbers on the inside of the case-back and movement and case.All in all this is a particularly nice example and an important military time piece, which are fast appreciating as collector's have woken up and noticed these B-UHREN watches. THE WATCH IS RUNNING BUT I HAVE NOT SERVICED IT. IF YOU HAVE ANY FURTHER QUESTIONS THEN PLEASE DO CONTACT ME BEFORE BIDDING. PLEASE NOTE THE FOLLOWING IMPORTANT INFORMATION: PAYMENT: I ACCEPT PAYPAL AND BANK TRANSFER. SHIPPING: I WILL SHIP WORLDWIDE. I USE ROYAL MAIL SPECIAL DELIVERY INSURED UP TO £2500 IN THE UK AND ROYAL MAIL INTERNATIONAL SIGNED FOR WORLDWIDE MAIL. POSTAGE & PACKING IN THE UK WILL BE £12.00 POSTAGE & PACKING FOR INTERNATIONAL WILL BE £14.00 INTERNATIONAL POSTAGE CAN ONLY BE INSURED FOR UP TO A MAXIMUM OF £500.00 ANY ITEM SHIPPED WORLDWIDE WILL ONLY BE COVERED UP TO THE MAXIMUM INSURED AMOUNT OF £500.00, SO IF THE ITEM GOES MISSING OR IS DAMAGED YOU WILL ONLY RECEIVE THIS AMOUNT. N.B INTERNATIONAL BUYERS , IF YOU WOULD LIKE FULL INSURANCE FOR THIS ITEM I CAN PROVIDE A FULL QUOTATION, JUST LET ME KNOW THE DESTINATION COUNTRY. read more

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