Replica Jaeger-LeCoultre Master Ultra Thin Tourbillon Enamel

Combining a tourbillon cage with an engraved guilloché dial, this JLC Master Ultra Thin replica is the most technically ambitious reference in the Master Ultra Thin lineup. The dial is cut with a radiating sunburst guilloché pattern that shifts tone as the wrist moves, and applied gold baton indices sit on top of it. A curved date arc crosses the upper half of the dial, and the case is pink gold. The tourbillon aperture sits at six o’clock, exposing the rotating cage that compensates for gravitational errors in the vertical position. This is a watch where movement finishing and dial craftsmanship compete for your attention equally.

Case & Movement Specs

• Case material: pink gold
• Dial: blue guilloché with a radiating sunburst pattern, applied gold baton indices
• Complications: tourbillon with an open cage at six o’clock, date on a curved arc across the upper dial
• Crystal: sapphire with anti-reflective coating
• Functions: hours, minutes, date, tourbillon
• Movement: clone Cal. 978, automatic, 28,800 vph
• Power reserve: 42 hours (genuine Cal. 978: 45 hours)
• Water resistance: 50 m (same as genuine)
• Strap: black alligator with a pin buckle

Engraved guilloché dials and tourbillons rarely appear together because each demands space and finishing tolerance that complicates manufacturing. The date here runs along a curved arc in the upper half of the dial, which keeps the six o’clock area clear for the open tourbillon cage. Jaeger-LeCoultre is one of the few houses with in-house dial engraving and tourbillon assembly under the same roof.

Caliber Breakdown

A tourbillon rotates the entire escapement assembly once per minute inside a lightweight cage. The goal is improved timekeeping accuracy by averaging out positional errors, though in a wristwatch the effect is more about mechanical art than strict precision gains. The caliber in this piece is automatic, not hand-wound: a clone Cal. 978 running at 28,800 vph, with a 42-hour power reserve against 45 hours in the genuine Cal. 978. Jaeger-LeCoultre builds that movement 7.05 mm thick with 33 jewels and a titanium tourbillon cage weighing 0.28 g, which is what lets a tourbillon sit inside a dress watch profile at all. Explore the broader family through our Ultra Thin Master collection, where the 1362511 automatic reference shows what the same design language looks like without the tourbillon.

How It Compares

Few tourbillon watches pair the complication with a hand-engraved guilloché dial at this level. Most competitors choose either one showcase element or the other. Here you get both in a slim profile that still reads as a dress watch rather than a technical demonstrator. This Master Ultra Thin super clone stands at the top of the collection precisely because it refuses to compromise on either craft.

The JLC Master Ultra Thin Tourbillon replica sold here is the pink gold version with the blue guilloché dial and the black alligator strap. This listing carries no printed reference number, so the model name, the case metal and the dial pattern are what identify it.

Nothing else here puts an engraved dial under a rotating cage, and the Ultra Thin Master references below it show what the collection looks like without one. Before committing to the most expensive piece in the line, read how the tourbillon stacks up against the rest of the manufacture.

Specifications

• Model: Jaeger-LeCoultre Master Ultra Thin Tourbillon
• Reference: none printed on this listing; identified by the pink gold case and the blue guilloché dial
• Case: pink gold
• Case size: 40 mm
• Dial: blue guilloché with a radiating sunburst pattern, applied gold baton indices
• Complications: tourbillon with an open cage at six o’clock, date on a curved arc across the upper dial
• Movement: clone Cal. 978, automatic, 28,800 vph
• Power reserve: 42 hours (genuine Cal. 978: 45 hours)
• Water resistance: 50 m (same as genuine)
• Crystal: sapphire
• Strap: black alligator with a pin buckle

Product description adapted from the authorised reference catalogue. Specifications in this description refer to the source listing; confirm details for your selected variant.