Introducing the parts of high-end watches - "Movement" variations - Jaeger-LeCoultre

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Today we will be introducing luxury watch parts: "Movement" variations - Jaeger-LeCoultre edition .

Luxury watch movements are made by hand by craftsmen combining hundreds of parts, and there are numerous variations, ranging from simple two-hand watches to ultra-complex mechanisms such as perpetual calendars and tourbillons.Moreover, they do not merely perform their functions, but many are finished so beautifully that they are worthy of being called works of art, and many people are impressed by their beauty and consider purchasing one.

Therefore, over several posts, I would like to introduce the main movements of each brand along with their representative models.

This time, we will introduce the main movements used in " Jaeger-LeCoultre ". Please enjoy until the end.

Introducing the movement

①Cal.846

Cal.846
Specifications
diameter 15.2mm x 13mm thickness 2.9mm
Frequency 21,600 vibrations Year of release 1975
Number of jewels 18 pcs Drive system Manual winding
composition 2 needles Power reserve Approximately 38 hours
Features of “Cal.846”
- Jaeger-LeCoultre's in-house hand-wound movement has the fewest number of parts, at just 93.
· It features a simple two-needle structure that has been in use for over 40 years and features a square shape.
Representative model
・"Reverso Classic" "Ref. Q2508411"

Jaeger-LeCoultre Reverso Classic-1 *Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/reverso-15/

➁Cal.822

Cal.822
Specifications
diameter 22.0mm x 17.2mm thickness 2.94mm
Frequency 21,600 vibrations Year of release 1993
Number of jewels 822 pieces Drive system Manual winding
composition 3 needles Power reserve Approximately 42 hours
Features of the “Cal.822”
- A typical in-house hand-wound movement used in the Reverso .
-Despite its classical structure, it is a movement that is considered a masterpiece as it also incorporates modern elements such as placing jewels in the barrel core and being equipped with a free spring.
Representative model
・"Reverso Tribute Small Second" "Ref. Q3978430"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/reverso-288878/

➂Cal.854

Cal.854
Specifications
diameter 22.0mm x 17.2mm thickness 3.8mm
Frequency 21,600 vibrations Year of release 1994
Number of jewels 19 pieces Drive system Manual winding
composition 3 hands + dual time Power reserve Approximately 42 hours
Features of “Cal.854”
- An in-house hand-wound movement known as a masterpiece, with a local display including a small second hand on the front and a second time zone and 24-hour display on the back.
- It is made up of 180 parts and, despite its small size, has a power reserve of approximately 42 hours.
Representative model
- "Reverso Classic Duo Small Second" "Ref. Q3848422"


*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/reverso-351980/

➃Cal.899

Cal.899
Specifications
diameter 26.6mm thickness 3.3mm
Frequency 28,800 vibrations Year of release 2004
Number of jewels 32 pieces Drive system Automatic
composition 3 hands + date Power reserve Approximately 70 hours
Features of the “Cal.899”
- In-house automatic movement with center second and date display.
- The silicon escapement provides magnetic resistance and extended operating time (approximately 70 hours of power reserve) .
Representative model
・"Polaris Date" "Ref. Q906863J"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/polaris-316117/

⑤Cal.956

Cal.956
Specifications
diameter - thickness -
Frequency 28,800 vibrations Year of release 2010
Number of jewels 24 pieces Drive system Automatic
composition 3 hands + alarm + date Power reserve Approximately 45 hours
Features of “Cal.956”
-The latest version of the company's in-house chiming movement, which was first created in 1833.
- In order to minimize the impact on parts caused by the alarm sounding, a free-sprung balance and a guard to prevent deformation of the hairspring are used on the balance cock.
Representative model
・"Polaris Mariner Memovox" "Ref. Q9038180"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/polaris-274369/

⑥Cal.751

Cal.751
Specifications
diameter 25.6mm thickness 5.65mm
Frequency 28,800 vibrations Year of release Year 2005
Number of jewels 39 pieces Drive system Automatic
composition 3 hands + chronograph + date Power reserve Approximately 65 hours
Features of “Cal.751”
- The column wheel and vertical clutch provide smooth and efficient chronograph operation.
-The "Cal. 751H" installed in the "Polaris Chronograph" is a two-counter chronograph with a date display.
Representative model
・Master Control Chronograph "Ref. Q1538470"
・"Polaris Chronograph" "Ref. Q9028470"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/master-257974/

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/polaris-332302/

⑦Cal.868AA

Cal.868AA
Specifications
diameter - thickness 4.72mm
Frequency 28,800 vibrations Year of release -
Number of jewels 54 pieces Drive system Automatic
composition 3 hands + perpetual calendar + date Power reserve Approximately 70 hours
Features of “Cal.868AA”
- In-house automatic movement equipped with a perpetual calendar that displays the year in four-digit digital numbers in a window at the 12 o'clock position .
- Equipped with a corrector at the 8 o'clock position that can adjust all calendar mechanisms.
Representative model
・"Polaris Perpetual Calendar" "Ref. Q9088180"

*Source: https://www.jaeger-lecoultre.com/jp-ja/watches/polaris/polaris-perpetual-calendar-stainless-steel-q9088180

⑧Cal.925

Cal.925
Specifications
diameter 26.6mm thickness 4.9mm
Frequency 28,800 vibrations Year of release 2011
Number of jewels 30 pieces Drive system Automatic
composition 3 hands + date + moon phase Power reserve Approximately 70 hours
Features of “Cal.925”
- In-house automatic movement with center second and moon phase at 6 o'clock.
- Equipped with a new barrel, escapement, and silicon anchor, it achieves a long power reserve of approximately 70 hours.
Representative model
・"Master Ultra Slim Moon Enamel" "Ref.Q13635E1"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/master-ultra-slim-moon-enamel-280694/

⑨Cal.853

Cal.853
Specifications
diameter - thickness 5.15mm
Frequency 21,600 vibrations Year of release 1994
Number of jewels 19 pieces Drive system Manual winding
composition 2 hands + dual time + pointer date (triple calendar) + moon phase Power reserve Approximately 42 hours
Features of “Cal.853”
- An in-house hand-wound movement equipped with two complex mechanisms that are symbolic of Jaeger-LeCoultre: the duo and triple calendar.
-There is also a derived movement, "Cal. 853A," which does not display the month and day of the week on the front dial.
Representative model
・"Reverso Tribute Moon" "Ref. Q3958420"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/reverso-tribute-moon-357948/

⑩Cal.866

Cal.866
Specifications
diameter - thickness 6.15mm
Frequency 28,800 vibrations Year of release -
Number of jewels 34 pieces Drive system Automatic
composition 3 hands + triple calendar + moon phase Power reserve Approximately 70 hours
Features of “Cal.866”
- In-house automatic movement with triple calendar and moon phase.
- Equipped with a jumping date mechanism that jumps when the pointer date hand moves from the 15th to the 16th so as not to hide the moon phase .
Representative model
- "Master Control Calendar" "Ref. Q4148420"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/master-control-calendar-263099/

⑪Cal.939

Cal.939
Specifications
diameter - thickness 4.9mm
Frequency 28,800 vibrations Year of release 2009
Number of jewels 34 pieces Drive system Automatic
composition 3 hands + dual time + date + power reserve + world time Power reserve Approximately 70 hours
Features of “Cal.939”
- An in-house hand-wound movement designed to create a unique travel watch with a complex mechanism and a beautiful dial layout.
- In addition to displaying a second time zone, the window at the bottom of the dial displays 24-hour day/night and city names, and ensures a long power reserve of approximately 70 hours.
Representative model
・Master Control Geographic "Ref. Q4128420"

*Source: https://www.jaeger-lecoultre.com/jp-ja/watches/master-control/master-control-geographic-stainless-steel-q4128420

⑫Cal.759

Cal.759
Specifications
diameter - thickness 6.85mm
Frequency 28,800 vibrations Year of release 2020
Number of jewels 37 pieces Drive system Automatic
composition 2 hands + chronograph + triple calendar + moon phase Power reserve Approximately 65 hours
Features of the “Cal.759”
- The company's first in-house automatic movement with a two-counter chronograph and triple calendar.
-A calendar module has been added to the "Cal.751", and a pulse meter display is added to the outer circumference of the dial.
Representative model
・"Master Control Chronograph Calendar" "Ref. Q4138420"

*Source: https://www.commit-watch.co.jp/buyer/watches/mens/jaeger_lecoultre/master-control-351281/

⑬Cal.860

Cal.860
Specifications
diameter - thickness 5.44mm
Frequency 28,800 vibrations Year of release -
Number of jewels 38 pieces Drive system Manual winding
composition 2 hands + chronograph Power reserve Approximately 52 hours
Features of “Cal.860”
- In-house hand-wound movement redesigned as a chronograph that fits into a rectangular case.
-A rare chronograph with a retrograde 30-minute counter on the back of the dial.
Representative model
・"Reverso Tribute Chronograph" "Ref. Q389848J"

*Source: https://www.jaeger-lecoultre.com/jp-ja/watches/reverso/reverso-tribute/reverso-tribute-chronograph-q389848j

⑭Cal.847

Cal.847
Specifications
diameter - thickness 3.9mm
Frequency 21,600 vibrations Year of release -
Number of jewels 31 pieces Drive system Automatic
composition 3 hands + date + moon phase Power reserve Approximately 38 hours
Features of the “Cal.847”
- An in-house hand-wound movement with a second time zone display on the back side of the movement, which is just 3.9 mm thick.
- Despite having 62 parts, the tourbillon mechanism is surprisingly lightweight at approximately 0.455g.
Representative model
- "Reverso Tribute Duo Tourbillon" "Ref. Q392242J"

*Source: https://www.jaeger-lecoultre.com/jp-ja/watches/reverso/reverso-tribute/reverso-tribute-duoface-tourbillon-q392242j

summary

What did you think.

Jaeger-LeCoultre is renowned for the technical capabilities of its movements. In the Swiss watch industry, établisseurs (division of labor) that source parts from outside the company are the norm, but Jaeger-LeCoultre is a complete manufacture. It is no wonder that they are called a true manufacture, as they have maintained this attitude consistently since their founding. Many of the items introduced this time have already been discontinued and cannot be purchased at official retailers, so if you are in the area, please stop by Commit Ginza.

Once again, we hope this article helps you find your favorite luxury watch.

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