Master Ultra Thin family · 9 references Jaeger-LeCoultre

Master Ultra Thin Moon

Name: Jaeger-LeCoultre Master Ultra Thin Moon
Brand: Jaeger-LeCoultre
Availability: InStock

39mm Popular Model

Low $5,595

Median $6,150

High $7,243

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The Jaeger-LeCoultre Master Ultra Thin Moon gives the moonphase room to charm without letting it take over the dial. Its moon and pointer date share a subdial at six, balanced by slender hour markers and hands—a dress watch with something to linger over, rather than simply admire for its restraint. The 39mm case has enough presence for everyday wear, while its slim profile keeps the proportions suited to a cuff.

The useful distinction between generations is inside: later versions of caliber 925 offer a 70-hour power reserve, against roughly 43 hours in earlier examples. If you rotate watches frequently, that extra running time is worth seeking out; the familiar dial layout alone won’t tell you which movement you’re getting. On any example, pay particular attention to the recessed calendar correctors and confirm that both the pointer date and moonphase advance properly.

MovementAutomatic

Case Size39mm

Water Resistance50m

Lug Width21mm

What owners love

The thin case slips under a cuff easily, and owners often describe it as a watch they barely notice on the wrist. At 39mm, it has enough presence without feeling bulky.
The moonphase gives an otherwise restrained dial something to linger over. Owners particularly enjoy how the polished hands and markers catch the light, making the dial feel less plain than it can look in photographs.
The movement is worth turning the watch over for: the visible rotor and finishing are details owners continue to enjoy well after the initial excitement has worn off.

Common Criticisms

The date numerals around the moonphase are small, so reading the date takes more concentration than reading the time. It's an elegant arrangement, but not the easiest date display to glance at.
Some owners find the folding clasp presses uncomfortably against the underside of the wrist. The 21mm lug width also makes finding a replacement strap less straightforward than with the more common 20mm size.

Master Ultra Thin Moon

What owners love

Common Criticisms

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