====== Jaeger-LeCoultre Reverso Duoface ====== {{wst>image_cr|Jaeger-LeCoultre|Reverso Duoface}} {{wst>image_cr|Jaeger-LeCoultre|Reverso Duoface RS|Jaeger-LeCoultre Reverso Duoface, back side}} The **Reverso Duoface** (called **Reverso Duo** in English) is a two-sided reversible wristwatch by [[Jaeger-LeCoultre]] produced since [[1994]]. ===== History ===== Introduced in [[1994]], the Reverso Duoface was an added complication to the historic [[Jaeger-LeCoultre Reverso|Reverso]] line which had been reintroduced two decades earlier after years of being out of production. Like the Reverso, the Reverso Duoface features a "flip-over" two-sided case. But the Duoface uses the second side for a second face and hands rather than a protective metal shield. The basic Duoface features "day" and "night" faces, with most models also adding a pushbutton-operated [[GMT]] feature allowing the "night" side to show a [[second time zone]]. The Reverso Duoface uses a special version of the [[JLC 844]] movement called the [[JLC 854|854]] with added gears to drive the second face and GMT function. This movement was modified to be the 854/1 with a larger pushbutton for the GMT function rather than small embedded pushers. The refreshed [[Jaeger-LeCoultre Reverso Classic|Classic]] and [[Jaeger-LeCoultre Reverso Tribute|Tribute]] line of [[2016]] further refined the Duoface movement to become [[JLC 854|Cal. 854A/2]], which uses a switch at the top of the case rather than a button. The Reverso Duoface is available in [[yellow gold]], [[red gold]] or [[stainless steel]] and with an alligator leather strap or metal bracelet. This model is called **Reverso Duoface** in German, French, and Spanish and **Reverso Duo** in English and Japanese. ===== History ===== The first Reverso Duoface was released in [[1994]]. It used the new [[Jaeger-LeCoultre Reverso Grande Taille|Grande Taille]] case, introduced three years earlier, and drives two faces with a single movement. The original Ref. 270 Duoface came in yellow gold with a silver dial on both sides (Ref. 270.1.54) but most later models have a black dial on the "home" side. The silver and black look, and the words "Night" and "Day" on the home side, gave rise to the popular nickname for this model, "Night & Day". This was produced in yellow gold (Ref. 270.2.54) or stainless steel (Ref. 270.8.54). An official "Night and Day" model (Ref. 270.3.54) was also produced, with a [[day/night indicator]] on the silver away dial. The Duoface was updated to include a raised rectangular push button in [[2004]]. The movement was now called [[JLC 854|Cal. 854/1]] and the reference number was changed to 272.8.54 (steel) or 272.2.54 (gold), both with silver and black dials. The look of the watch was also "harmonized" with the rest of the current Reverso Grande Taille range at that time. A decade later, Jaeger-LeCoultre renumbered this model again, becoming Ref. Q2718410 (steel) or Q2712410 (gold). A [[Jaeger-LeCoultre Reverso Gran'Sport|Gran'Sport Duoface]] was released in the early 2000s with the [[automatic]] [[JLC 861|Cal. 861]]. A much larger [[Jaeger-LeCoultre Grande Reverso|Grande Reverso Duoface]] was also released at that time. At [[SIHH]] in [[2013]], Jaeger-LeCoultre added a Duoface model to the [[Jaeger-LeCoultre Grande Reverso Ultra Thin|Grande Reverso Ultra Thin]] line using the same [[JLC 854|Cal 854/1]] that had been in use for a decade. When the Reverso line was refreshed in [[2016]], a number of new Duoface models appeared. The Grande Taille was replaced by the [[Jaeger-LeCoultre Reverso Classic Medium|Classic Medium Duoface "Small Seconds"]] and [[Jaeger-LeCoultre Reverso Tribute|Tribute Duoface]], now with [[JLC 854|Cal. 854A/2]] which uses a hidden switch to adjust the second time zone rather than a pusher. The Grande Reverso is replaced by the [[Jaeger-LeCoultre Reverso Classic Large|Classic Large Duoface]] with [[JLC 969|Cal. 969]] (automatic) or [[JLC 822|Cal. 822/2]] (hand-winding "Small Seconds"). ===== References ===== * Case number 272 - 42.2 x 26.0 x 9.4 mm * [[Jaeger-LeCoultre Reverso Grande Taille Duoface|Reverso Grande Taille Duoface]] ([[JLC 854|Cal. 854]]) - yellow gold case and silver/silver dials (270.1.54), yellow gold case and silver/black dials (270.2.54), steel with silver/black dials (270.8.54) * [[Jaeger-LeCoultre Reverso Grande Taille Duoface|Reverso Grande Taille Duoface Night and Day]] ([[JLC 854|Cal. 854]] with day/night indicator) - steel with black/silver dials (270.3.54) * [[Jaeger-LeCoultre Reverso Grande Taille Duoface|Reverso Grande Taille Duoface (updated), Ref. 271]] ([[JLC 854|Cal. 854/1]]) silver/black dials - steel (Q2718410, 272.8.54), gold (Q2712410, 272.2.54) * [[Jaeger-LeCoultre Grande Reverso Duoface|Grande Reverso Duoface]] (48x30) - steel with silver/black dials (273.8.85) * [[Jaeger-LeCoultre Reverso Gran'Sport Duoface|Reverso Gran'Sport Duoface]] (42x28) [[JLC 861|Cal. 861]] - steel with silver/black dials (295.8.51) * [[Jaeger-LeCoultre Grande Reverso Ultra Thin Duoface|Grande Reverso Ultra Thin Duoface, Ref. 378]] ([[2013]]-[[2016]]) - [[JLC 854|Cal. 854/1]] * [[Jaeger-LeCoultre Reverso Classic Medium Duoface Small Seconds|Reverso Classic Medium Duoface Small Seconds]] ([[2017]]-present) - [[JLC 854|Cal. 854A/2]] - steel (Q2458420) * [[Jaeger-LeCoultre Reverso Classic Large Duoface|Reverso Classic Large Duoface]] ([[2016]]-present) - [[JLC 969|Cal. 969]] - steel (Q3838420), gold (Q3832420) * [[Jaeger-LeCoultre Reverso Classic Large Duoface Small Seconds|Reverso Classic Large Duoface Small Seconds]] ([[2017]]-present) - [[JLC 822|Cal. 822/2]] - steel/black (Q3848420), steel/brown (Q3848422) * [[Jaeger-LeCoultre Reverso Tribute Duoface|Reverso Tribute Duoface]] ([[2016]]-present) - [[JLC 854|Cal. 854A/2]] - steel (Q3908420), gold (Q3902420) * [[Jaeger-LeCoultre Reverso Tribute Duoface Large|Reverso Tribute Duoface Large]] ([[2018]]-present) - [[JLC 854|Cal. 854A/2]] - steel (Q3908420), gold (Q3902420) * Reverso Tribute Duoface Blue 45.6x27.4 - 3978480 ===== See also ===== * [[Jaeger-LeCoultre Reverso]] **Movement: ** * [[Manual winding]] movement [[JLC 854/1]], 21,600 A/h * 21 [[jewels]] * Power reserve 45 hours * 180 components **Case: ** * Swivelling case with more than 50 parts, turnable and pivotable for 180 degrees * [[Stainless steel]], 18ct [[yellow gold]] or [[red gold]] * Dimensions34 x 26.5 mm, H 10.5 mm * [[Sapphire crystal]] * [[Waterproof]] to 30 m **Dial:** * Front silvered [[guilloché]] * Black transferred numerals * [[Blued]] bâton hands * Back side black [[guilloché]] * Applied luminous numerals * Bâton hands with [[luminous material]] **Functions:** * Hours, minutes, [[small seconds]] * [[Dual time zone]], 24-hours indication **Bracelet: ** * Metal / gold or Alligator leather strap * Jaeger-LeCoultre [[folding clasp]] {{tag>Watch_models Dual_timezone_watches Jaeger-LeCoultre_models Jaeger-LeCoultre_Reverso_models}}