Master Ultra Thin Moon 39mm
Q1368430
How it wears
Wears true to its 39 mm case size
Jaeger-LeCoultre Master Ultra Thin Moon 39mm measures 45.7 mm lug-to-lug on a 39 mm case, a lug-to-lug ratio of 1.17 against a database median of 1.18. That span is shorter than 67% of the 7,421 watches in this database and shorter than 54% of the 54 Jaeger-LeCoultre watches listed.
A flat wrist width of 51 mm (2.01 in) or more keeps it in the balanced range, and from 61 mm (2.40 in) it starts to look compact. Below 45.7 mm (1.80 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.
At 9.3 mm thick it is on the slim side, thinner than 90% of the watches with a listed thickness.
Wrist fit analyzer
Fit reference
Sits comfortably within the wrist width for most wearers.
Sources
- https://www.jaeger-lecoultre.com/us-en/watches/master-ultra-thin/master-ultra-thin-moon-stainless-steel-q1368430
Official page lists the Master Ultra Thin Moon at 39 mm diameter and 9.3 mm thickness.
- https://www.reddit.com/r/Watchexchange/comments/15nbw5c
Listing for the same reference reports 45.7 mm lug-to-lug and 9.8 mm thickness.
- https://www.thewatchmetrics.com/watch-db-2/jlc-reverso-tribute-small-seconds
Watch database cross-checks similar Master Ultra Thin Moon geometry in the 45.7 mm lug-to-lug range.
- https://monochrome-watches.com/jaeger-lecoultre-grande-reverso-ultra-thin-tribute-1931/
MONOCHROME reports 46mm lug-to-lug, 27.5mm case size/width for Jaeger-LeCoultre Master Ultra Thin Moon in “Jaeger LeCoultre Grande Reverso Ultra Thin and Tribute to 1931.” The article's explicit planar case length/top-to-bottom dimension is stored as the lug-to-lug equivalent.
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