Jaeger-LeCoultre Master Control Triple Date Moonphase ref. 140.3.98 – 18k White Gold, Box & Papers

While brands like Rolex and Omega have garnered acclaim that has made them known to practically everyone, there’s a family of brands that have remained somewhat less popular yet are just as highly valued – if not more so – by many enthusiasts. The watch on offer here was made by one of those brands – Jaeger-LeCoultre. Due to its history of creating high-quality movements, parts, and tools for brands such as Vacheron Constantin, Audemars Piguet, and Patek Philippe, JLC is often referred to as “the watchmaker’s watchmaker”.
The Master Control Moonphase is an example of what the Le Sentier-based manufacturer does best – a highly-complicated-yet-stylish timepiece that follows the postulates of traditional Swiss watchmaking to the letter. While its slim, 37 mm white gold case and restrained overall design give off the impression of elegant minimalism at first, a glance at the delicate sunray dial reveals that there is more here than initially meets the eye. More specifically, the watch incorporates two of watchmaking’s more elusive complications – a pointer-date calendar and a moon-phase indicator. What’s more, it also features a small seconds display integrated within the moon phase complication and two apertures for the day of the week and the month just below the iconic logo. The faceted dagger indices and sword hands tie the impressive composition together, lending the watch an aggressive aspect and grounding it in the brand’s rich and diverse heritage.
Inside, the remarkable caliber 891/448 is ticking resolutely away. As the stamped caseback indicates, it has been tested for 1000 hours and found to be just as resilient as it is horologically impressive.
Our offering is in superb condition – recently polished, comes in a set of boxes (the box cushion is a replacement) and warranty card, and is outfitted with a brand new OEM blue ostrich leather strap paired with the original folding clasp. Ticking per specs.

Covered by a limited warranty of 1 year, starting on the date of purchase.

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Additional information

Case material

18k White Gold

Case size

37 mm


Date, Month, Moon phase, Weekday


Polished, Very good


Sapphire Crystal

Dial color



Master Control Moonphase


36 Jewels, Automatic

Movement caliber

JLC cal. 891/448

Power reserve
Reference number


Scope of delivery

Watch with original box and papers


Blue, Ostrich skin

Year of production



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Each item sold by ChronoTimepieces is covered by a no-questions-asked 14 day inspection period, unless otherwise stated in the description of the purchased item. The item, however, must remain unworn and unmolested within that period of time – and in the same condition that it left our offices. If a return is requested, simply email info@chronotimepieces.com and we will respond with instructions. Insured shipping for returns must be paid for by the buyers and buyers assume all risk for it. A before and after video comparison and inspection is required before returns are cleared.

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Consequence Of Cancellation

In the event of an effective return of order, the price of the purchased item/s will be returned to you. The shipping costs for returning the item will occur at your own expense and will be deducted from your refund. Shipping costs are non-­refundable.

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Unless agreed otherwise in an individual case, ChronoTimepieces does not give any guarantees as to the characteristics of the goods which go beyond the statutory warranty rights or any other warranties.

  • All our watches come with a limited warranty of 6 months, starting on the date of purchase. The cover of said warranty is limited to the function, continuous operation and fair timekeeping and it does not cover misuse, neglect, abuse, water damage or any other form of wearer-inflicted damage.
  • Some used watches might still be covered by leftover Manufacturer warranty valid to any AD (Authorized Dealer) – please check the specific description of the watch you are buying.
  • Some new watches might be covered by Manufacturer warranty, usually activated upon purchase and valid to any AD (Authorized Dealer) – please check the specific description of the watch you are buying.
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For more info, please refer to our Terms of Service.