Jaeger-LeCoultre Polaris Mariner Memovox
Q903818J
*This timepiece comes with a complimentary blue rubber strap.
2-year warranty, extendable to 8 years. Register here
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The Jaeger-LeCoultre Polaris Mariner Memovox in stainless steel is a tribute to the brand’s rich history of diving watches, combining a mechanical alarm function with robust underwater performance. Its blue sunray-brushed dial features applied indices and bold numerals, ensuring excellent legibility. At the heart of the watch is the signature Memovox alarm function, displayed via a central disc with a triangular indicator. The dial also includes a date window at three o’clock and an inner rotating bezel, operated via the second crown, for precise dive timing. Powered by the automatic Calibre 956, this timepiece offers 44 hours of power reserve and a water resistance of 300 metres, making it a fully capable diving instrument. The stainless steel bracelet ensures durability and comfort. With its blend of heritage, functionality, and modern execution, the Polaris Mariner Memovox is an essential timepiece for adventurers and collectors alike.
Full Specification
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Brand Jaeger-LeCoultreCollectionPolarisSeriesN/AModel NoQ903818J
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MovementFeatures Alarm, DateMovement AutomaticCalibre 956CaseCase Size 42 mmCase Thickness 15.63 mmCase Shape RoundCase Material SteelBezel Internal Unidirectional Rotating BezelCase Back See-through Case BackLug Width 20 mmGlass Material Sapphire CrystalDialLuminosity On Hands, Hour Markers & BezelDial Colour BlueHands PencilIndexes Arabic NumeralsStrapStrap Material SteelStrap Colour SilverInterchangeable Strap YesClasp Type Double Folding ClaspBuckle/Clasp Material SteelOtherGender MenWater Resistance (M) 300Warranty Period 2-year warranty, extendable to 8 years. Register hereCountry of Origin Switzerland
Collection Video Discover the Polaris Collection
About the Jaeger-LeCoultre Polaris Collection
Inspired by Jaeger-LeCoultre's iconic Memovox Polaris watch, the Polaris collection embodies the spirit of adventure and urban exploration with its exceptional dive watches. These timepieces blend sporting functionality with the signature elegance of Jaeger-LeCoultre. Featuring models with date displays, alarms, chronographs, and world-time functions, the Polaris collection caters to the needs of today's discerning man and his worldly pursuits.
Memovox Polaris
In 1968, Jaeger-LeCoultre unveiled the Memovox Polaris, a pioneering timepiece designed to assist divers by sounding an alarm when it was time to resurface. This iconic watch, featuring the innovative Memovox function, became the fount of inspiration for the contemporary Jaeger-LeCoultre Polaris collection, retaining the futuristic essence of its predecessor.
Dive Deeper Into The Polaris Collection
Polaris has a history of embracing new complications alongside its original design. The Polaris Automatic series, known for its simplicity, presents a diving watch without complications but with essential features intact. The Polaris Date features a rotating inner bezel, controlled by the crown at two o'clock, allowing users to track timing offsets or countdowns. Meanwhile, the Polaris Perpetual Calendar boasts various calendar complications, like month, day, moon phase, and date, indicated through legibly-positioned sub-counters on the dial. With a Southern Hemisphere retrograde moon phase indicator, it also includes a split window displaying the year inside the month sub-dial.
Expanding beyond its diver's watch heritage, the Jaeger-LeCoultre Polaris collection now encompasses chronographs and world timers. Among these is the Polaris Mariner, equipped with the alarm function, echoing the original Memovox Polaris of 1968.

ABOUT THE MOVEMENT
The Jaeger-LeCoultre calibre 956 is an automatic mechanical movement renowned for its precision and integration of the alarm function. Introduced in 2008, it is a modernised evolution of the brand’s celebrated Memovox alarm calibre. The 956 stands out with its revised placement of the gong, which was earlier attached to the caseback and is now attached to the side of the case for a cleaner look through the sapphire crystal caseback. Notable technical features of the movement include a 4Hz frequency for high accuracy, a 44-hour power reserve, and the inclusion of an instantaneous date-change mechanism. Of course, the most distinctive characteristic of 956 is its alarm complication. It is powered by a striking mechanism, producing a clear, melodic chime when triggered.

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- Brand Jaeger-LeCoultre
- Reference 956
- Movement Automatic
- Display Analog
- Power Reserve Approx. 44 hours
- Jewels 24
- Frequency 28800 bph
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