Illustration. The seconds hand sweeps, like the real movement.
Master Ultra Thin Moon
Ref. Q1368430
39 mm, steel, silvered-grey sunray dial, black alligator strap
- Diameter
- 39 mm
- Thickness
- 9.3 mm
- Water
- 50 m
- Movement
- 925
€12,800
Jaeger-LeCoultre's price on its German-language EU site (DE/AT/LU/NL), incl. VAT; the English EU site shows EUR 13,000 (September 2026).
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Why it's interesting
A moonphase with manners: a silvered sunray dial, needle-thin markers and a single blue seconds hand, with the date read by a pointer around the moon disc at six. At 9.3 mm it slides under a cuff, and the complication is there only when you go looking for it.
Watch DNA. Filled tags are editorial; outlined tags come from the specifications.
The numbers
Verified specificationsSize
- Diameter
- 39mm
- Lug to lug
- —
- Thickness
- 9.3mm
- Lug width
- 21mm
Because you like this…
Chosen for shape, size, colour, character and price. Rarely the same brand twice.
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About this page
Verified specifications, checked September 2026
Dimensions, water resistance, movement and crystal were checked against the sources below.
Case (39 × 9.3 mm), 5 bar, calibre 925, 21 mm lug width (strap spec) and price from Jaeger-LeCoultre. Front sapphire crystal from Carat & Co. (authorised retailer); JLC's table doesn't list the crystal. Launch year of this reference not found (the MUT Moon 39 line dates back to at least 2015), so year is null. Lug-to-lug not published. Drawing: the moon aperture and the pointer-date ring at 6 are drawn as a small sub-dial with a moon disc; the date numerals around it are not printed.
The illustration is a bezelga rendering generated from the specifications. It is not a photograph and may simplify details such as logos, text and finishing.
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