Jaeger-LeCoultre Polaris Mariner: a diver in the mood

Inside the collection, the Mariner line appeared, which included two models with water-resistant up to 300 m cases. Until now, jaeger LeCoultre Polaris a water resistance up to 100 or 200 m.

The return of a real diving watch to the Jaeger-LeCoultre program cannot but rejoice, but the main thing is not even this. And Mariner is a watch with a completely different mood.

Jaeger lecoultre polaris Mariner Date and Polaris Mariner Memovox

Surprisingly, only a few modified parts create it. Firstly, the dial color: deep blue, with a darker gradient around the circumference. 

Secondly, the three standard Polaris numeric indexes “6”, “9”, and “12” and eight trapezoidal hour markers have become larger. And the hour and minute hands have acquired a partially skeletonized structure. 

Thirdly, the luminescent illumination system, which is essential for diving watches, is carefully thought out. Also, all hour markers and the tip of the hour hand emit a soft bluish glow, also the tip of the critical minute for divers emits a warning orange.

These two colors are also used in the second hand:

A blue luminescent coating is applied to the bulge in its central part, and an orange tip makes it easier to read in daylight. However, the 15-minute sector of the diving scale is highlighted in orange.

Most importantly, it was not in vain that the brand accompanied the novelty with so many photographs taken in the dark. With such lighting, the watch looks impressive.

However, the dial is also good in daylight, allowing you to see the different textures of three concentric circles: 

The central one with the effect of “sunburst,” the middle one with grains, and the flange of the diver’s scale with an opal finish.

The unidirectional rotating inner disc with minute scale is a common feature throughout the Polaris collection. However, it was questionable before the advent of diving models. 

We do not exclude that its appearance was partly dictated by the desire to equip the case with two winding crowns. 

One is responsible for winding the movement and correcting the readings, the other for moving the disc. That is immediate visually distinguishes the watch from competitors.

In the development of the Mariner, another, in this case, a logical step, was taken: 

The crown that controls the disc is marked with an orange ring. If it is visible, the crown is not completely screwed in, and the disc may accidentally shift. 

To prevent such incidents, fraught with consequences during the dive, when the disc indicates the maximum time underwater. The crown must be completely screwed in. 

As a result, even an unscrewed crown does not affect the water resistance. A valve built into it ensures moisture penetration into the case.

As we have already mentioned, there are two models in the Polaris Mariner line so far:

A three-hand indicator with a date indicator and a clock with an alarm clock, according to the 70-year tradition of the brand called Memovox. Both have steel cases with a diameter of 42 mm, differing in thickness (the alarm clock is thicker), and are completed with steel bracelets.

For the first time, the brand’s watches, which are water-resistant up to 300 m, have received cases with a transparent case back, allowing you to see the movements. 

This is especially true for Polaris Mariner Memovox equipped with an automatic in-house Caliber 956AA. With a peripheral gong attached to the inside of the case. 

Thanks to the transparent back cover, when the alarm goes off,  also you can see the movement of the hammer. It is mirrored to the 11 o’clock position.

Caliber 956AA before mounting and inside the Polaris Mariner Memovox case

The alarm is set with the crown at the 2 o’clock position. To do this, the triangular mark on the rotating central dial of the dial must be aligned with the desired time. 

The central crown controls the inner flange with the diving scale, and the lower one, at 4 o’clock. Winds up the mechanism and allows you to correct the readings.

Caliber 899AB before mounting and inside the Polaris Mariner Date

The in-house automatic caliber 899 AB, that is powered by the Polaris Mariner Date. It is identical to that used in the Master Control Date three-hand refreshed this year. 

It features a 70-hour power reserve and silicon escapement parts to minimize friction and reduce power consumption.

New items occupy the highest price position within the Polaris collection. The Polaris Mariner Date is priced almost on par with the Polaris Chronograph with a 100m waterproof case. And the Polaris Mariner Memovox is currently the most expensive steel model in the collection (suggested retail prices below)

Jaeger-LeCoultre Master Control Land Alarm Clock Memovox

If you like a watch with a rare sound complication – an alarm clock, and at the same time, 300-meter water resistance is not so important. Then you can choose another novelty of this year – Master Control Memovox, which will cost a third less. 

Moreover, it’s up to you to decide, and the novelties of the Mariner line have finally reconciled me with the Polaris collection.

Jaeger-LeCoultre Polaris Mariner Date (in brackets – Polaris Mariner Memovox)


Caliber 899ABautomatic, in-house (Caliber 956AA, automatic, in-house, with alarm)
Diameter: 26 (29.5) mm, thickness: 4.64 (7.47) mm
Power reserve: 70 (45) hours
Frequency: 4 Hz, 28,800 vibrations / hour
Parts QTY: 218 (271)
The number of jewels: 32 (23)
Certification: 1000 Hours Control
INDICATION: Hours, minutes, seconds, date (hours, minutes, seconds, date, alarm)
BODY: Steel
Diameter: 42mm, Thickness: 13.92 (15.63) mm
Water resistance: 300 m, Case back with a sapphire window
CLOCK FACE: Blue Gradient Sunburst Partial Grain, Polished rhodium-plated, Super-LumiNova applied hour markers. Pencil style hour and minute hands, beveled, partially coated with Super-LumiNova, Rotating unidirectional inner flange with diver scale
BRACELET: Steel Polished H-links, matte connecting links
CLASP: Steel folding
PRICE : € 11,200 (€ 17,700)

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