Vintage Longines 14k White Gold Diamond Dial & Mustache Lugs Tuxedo Watch 30mm

Up for sale is an incredibly rare, museum-quality vintage Longines dress watch from the 1950s. Crafted in solid 14k white gold (stamped "14K GOLD" on the case back), this striking timepiece features some of the most sought-after design details of the mid-century "fancy lug" era.
The visual impact of this watch is unparalleled. It features prominent, highly stylized "mustache" (or lyre-shaped) lugs that are fully set with a cascade of brilliant diamonds. These ornate, flowing lugs flank a deep-black "Tuxedo" dial adorned with double-row set diamond hour markers and elegant silver baton hands.
With a solid, substantial weight of 29.2 grams, this watch has an amazing, luxurious heft on the wrist. It represents the absolute pinnacle of high-society dress watches from Longines' golden era.
Specifications & Details:
Brand: Longines
Era: Circa 1950s
Case Material: Solid 14k White Gold (Stamped "14K GOLD" on case back)
Case Size: 30mm diameter (excluding crown) / approx. 39mm lug-to-lug
Total Weight: 29.2 grams (including movement, crystal, and leather strap)
Dial: Black "Tuxedo" dial with factory-applied diamond indices
Lugs: Vintage factory diamond-set "Mustache" (scrolled / lyre) fancy lugs
Movement: Swiss manual-wind mechanical movement
Sub-Dial: Running sub-seconds register at 6 o'clock
Strap: Premium black alligator-style leather strap
Condition Report:
Dial & Hands: The black dial is in gorgeous vintage condition with sharp, crisp signature detailing. Original hands are in great cosmetic shape.
Case: Solid 14k white gold case displays light, honest vintage wear with hairline surface scratches consistent with age. The flowing curves of the mustache lugs remain incredibly distinct, and the case back stamp is clear and strong.
Movement: Manual-wind mechanical movement winds smoothly, ticks strongly, and is currently running. (Note: To ensure long-term precise timekeeping for daily wear, a routine professional service is always recommended for vintage timepieces).