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Hands-on Review: Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Earlier this year, Jaeger-LeCoultre presented the latest generation of the Master Control collection, a pillar in the production of "La Grande Maison" since 1992, when it was first launched.

Review of the Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

After our presentation articles of the Master Control Chronograph Calendar, the Master Control Calendar, the Master Control Geographic and the Master Control Memovox with its brother Memovox Timer, we recently had the opportunity to wear and test the headline model of the collection, the Master Control Chronograph Calendar ref. Q4138420, and we are now delighted to share our hands-on experience and a lot of live pictures.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

As its name suggests, this model puts together two of the most appreciated complications in watchmaking, a column-wheel chronograph and a triple calendar display with moon phases, a combination that is available for the first time in the Master Control collection.

The Master Control Chronograph Calendar comes in a perfectly proportioned 40 mm x 12.05 mm stainless steel rounded case with a pleasing alternation of satin-brushed and brilliantly polished surfaces.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Thanks to its ideal size and slightly curved lugs, the watch sits very comfortably on average wrists (the wrist in our pictures is 18 cm / 7.1 in).

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

The numerous functions are controlled via the crown (manual winding and time setting), the rectangulara pushers at 2 and 4 o'clock (chronograph start/stop and reset), and the 4 correctors on the caseband (month at 2:30, date of the month at 3:30, month at 8:00 and day at 10:00).

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

The slim bezel leaves more space to the silver sunray-finished dial with snailed counters and, despite many information to display, readability at first glance is truly excellent.

The indications are efficiently arranged: the 30-minute chronograph counter at 3 o’clock is visually balanced by the running seconds sub-dial at 9 o’clock, while the day and month windows in the top part of dial are balanced by the moon-phase and date indicator at 6 o’clock. A pulsometric scale is marked around the dial flange.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

We like this particular scale and we prefer it to the more common but less useful tachometer scale. To take a pulse, just start the chronograph and stop it after counting 30 pulse beats. The large blue hand then indicates on the outer scale the number of beats per minute.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Four Super-LumiNova spots are applied at 3, 6, 9 and 12 o'clock along the outer minute track. A stripe of Super-LumiNova is also used on the hour and minute hands.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

The transparent sapphire crystal case back reveals the sophisticated manufacture movement, the 4 Hz (28,800 vibrations per hour) Calibre 759. Comprised of 356 parts, this newly developed self-winding movement features a column-wheel chronograph with a vertical clutch and offers a power reserve of 65 hours.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Thanks to the open-worked pink gold rotor embellished by the brand's double "J" and decorated with Côtes de Genève, the movement can be observed in all its details.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Offering waterproofness to a pressure of 5 bars (approx 50 metres / 165 feet), this model is matched to a Novonappa calf leather strap secured to the wrist by a stainless steel folding clasp. Produced through a double tanning process - which includes chrome tanning salts and vegetable tannins - this high-quality leather offers a mellow touch, softness and the property of forming a beautiful patina over time.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

Combining true, understated elegance and technical rigour, this is a watch that shows deep respect for tradition while taking advantage of the latest innovations to achieve product excellence.

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

The indisputable quality of the timepiece, like all Jaeger-LeCoultre creations, is confirmed by the possibility to extend the "International Limited Warranty" from 2 to 8 years upon registration of the watch on the dedicated online platform.

The price of the Jaeger-LeCoultre Master Control Chronograph Calendar ref. Q4138420 is Euro 15,300, certainly in line with the prestige of the brand and the quality of the watch. jaeger-lecoultre.com

Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420

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COMMENTS

BLOGGER: 3
  1. Exceptional timepiece. JLC never disappoints.

    ReplyDelete
  2. Good to see a 40mm diameter. Perfect size for this type of watch.

    ReplyDelete
    Replies
    1. Yes, we believe it's the ideal size considering the functions of this model.

      Delete

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Time and Watches | The watch blog: Hands-on Review: Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420
Hands-on Review: Jaeger-LeCoultre Master Control Chronograph Calendar Ref. Q4138420
Review of the Hands-on Review: Jaeger-LeCoultre Master Control Chronograph Calendar. we recently had the opportunity to wear and test the Master Control Chronograph Calendar ref. Q4138420, and we are now delighted to share our hands-on experience. The price of the Jaeger-LeCoultre Master Control Chronograph Calendar ref. Q4138420 is Euro 15,300, certainly in line with the prestige of the brand and the quality of the watch.
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