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Jaeger LeCoultre, Military Issued, A.M. 6B/159, MoD Re-cased 1956, Cal.470, circa 1940s — view 1 of 6
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Wristwatches · Wristwatch

Jaeger LeCoultre, Military Issued, A.M. 6B/159, MoD Re-cased 1956, Cal.470, circa 1940s

DocumentedDocumented from a dealer's listing; attribution and date as stated by the dealer.
Maker / attribution
Jaeger-LeCoultre (maker)
Date
c. 1940s
Country of origin
Switzerland
Object type
Wristwatch
Stock no.
vws1481
Credit line
Dealer listing, Vintage Watch Specialist (vws1481)
Catalogue title (original)
Jaeger LeCoultre - Military Issued - A.M. 6B/159 - c.1940s - MoD Re-cased 1956 - Cal.470 (English)

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Record summary

Catalogued by Vintage Watch Specialist (dealer), United Kingdom (stock number vws1481), this is a wristwatch by Jaeger-LeCoultre, made in Switzerland, dated c. 1940s. The Atlas places it in the Golden Age of Mechanical Watchmaking period (1900 – 1945) of its Wristwatches collection. The record is illustrated with 6 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Dealer description — Vintage Watch Specialist

We Are Sorry But This Watch Is Now Sold - If However You Are Looking To Buy Or Sell Something Similar Then Please Email Sales@Vintagewatchspecialist.Com Or Whatsapp/Call +44 7831 454658. Thanks 1940s WWII-Issued Jaeger LeCoultre A.M. 6B/159 - Re-cased and re-cased in 1956 by the Ministry of Defence. Case back A.M. 6B/159 4593/56. An extremely rare and sought-after piece of military history nowadays, the Jaeger LeCoultre A.M. 6B/159, issued to RAF Pilots in WWII, didn't originally have such a smooth journey since their first issue in the 1940s! Produced by a number of world-class Swiss watch makers, including not only JLC but Omega and Longines, the 6B/159 models were issued to both navigators and RAF pilots from World War II onwards. The original chrome-topped cases (not typically suitable for military use) that the JLC 6B/159s were equipped with were known to degrade and expose their innards over time, particularly around their lugs which would often wear thin. This, combined with the fact that their dials weren't initially renowned for their visibility, led to the Ministry of Defence re-dialling and re-casing nearly all of the original Jaeger LeCoultre 6B/159s in 1956. They were left with solid stainless steel cases, brighter white dials and much more sturdy overall construction. In doing so, the MoD accidentally created several different variants of the Jaeger LeCoultre 6B/159, finishing them with four different dials! This was simply functional at the time: JLC wanted to use up similar dials which were left over from previous productions and ticked all the boxes needed by the RAF, but now plays right into the hands of military watch fanatics. Thankfully, the stainless steel case means that these pieces have survived well to this day after their re-casing, this specimen being no exception. For more information on the differences between these variants, check out this forum thread. These watches are renowned for their accuracy and reliability thanks to the Calibre 470 movement at their core, and with the officially updated cases have become not only highly collectible but functional too. What's on offer This 1956 re-cased Jaeger LeCoultre WWII RAF-issued 6B/159 is in truly excellent condition. The bezel, case edges and lugs are all incredibly sharp still, with only the faintest signs of wear visible. The dial is a beautifully creamy off-white tone, and the blued steel hands look as shiny as when first fitted. A rare find in any condition but this one is especially nice, don't you agree? Fresh to market after a recent service by John Senior and from a private collection of many years! Additional information Made from Case: Stainless steel Dial: Off-white Crystal: Plexiglass Bracelet : NATO style Technical specifications Winding : Manual wind Movement type : Mechanical Calibre: 470 Jewels: 17 Waterproof: When new Purchase details Condition : Excellent overall condition for its age Model Reference: A.M. 6B/159 Date of issue : Originally 1940s, reissued 1956. Guarantee Supplied with a 12-month Vintage Watch Specialist guarantee Dimensions Width : Lug width : Lug height (lug to lug): Wrist size : Adjustable

Historical context

Golden Age of Mechanical Watchmaking (1900 – 1945)

The wristwatch displaces the pocket watch; waterproof cases, self-winding and grand complications.

The wristwatch overtook the pocket watch. Military use in the First World War, aviation, water-resistant cases (1926), automatic winding (1923–31), rectangular Art Deco designs and early chronographs and calendars defined the period.

Read the period in the timelineMore wristwatches from this periodEarlier: Industrial Revolution

Atlas type guide

Military, pilot and travel watches

The wristwatch owes much of its adoption by men to warfare and aviation. Wristlets — small pocket watches soldered with lugs and worn on a strap — were used in colonial campaigns and became standard equipment in the First World War, with protective grilles over the crystal ('shrapnel guards'). Louis Cartier's Santos (1904), designed for the aviator Alberto Santos-Dumont, is often cited as an early purpose-made pilot's watch.

In the Second World War governments specified watches in detail: the German B-Uhr observation watches, the American A-11, and the British 'W.W.W.' (the 'Dirty Dozen' set of 1945). After the war, jet travel brought GMT and world-time watches, which show two or more time zones at once — Louis Cottier's world-time mechanism and the Rolex GMT-Master (1955) are examples.

What to look for

  • Military markings on the case back: broad arrow, issue numbers, 'W.W.W.', 'A.T.P.'
  • High-legibility black dials with luminous Arabic numerals; oversized crowns for gloved hands.
  • 24-hour hands and rotating 24-hour bezels or city rings on GMT/world-time watches.
  • Wire lugs on early wristlets converted from pocket watches.

Dating clues

  • Wire-lug wristlets: c. 1900–1925.
  • Military specifications of the Second World War: 1939–1945.
  • GMT and world-time wristwatches: mainly after 1950.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

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