Manufacturer details checked
Ulysse Nardin
Ulysse Nardin 2520-500le-3a-blue-3a
- Manufacturer reference
- 2520-500LE-3A-BLUE/3A
- Caliber
- Caliber UN-252
- Number of parts
- 511
- Number of jewels
- 42
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
Search results and retailer pages may include other models. Check the exact reference, seller, condition and delivery terms on the destination website.
Specifications checked against the linked manufacturer page. The image source and display method are identified with the illustration.
Manufacturer specifications checked for this reference
These specifications were checked against the manufacturer page for this exact reference.
- Manufacturer reference
- 2520-500LE-3A-BLUE/3A
- Caliber
- Caliber UN-252
- Number of parts
- 511
- Number of jewels
- 42
- Total diameter (mm)
- 42.15
- Frequency (Hz)
- 2 x 2.5 Hz
- Frequency (vph)
- 2 x 18’000 V/H
- Power Reserve (H)
- 72
- Functions
- Hours, minutes, seconds. Flying carousel movement rotating around its own axis. Two 10°-inclined flying tourbillons. Two silicon balance wheels and balance springs. Two DIAMonSIL® escapements. Vertical differential with ball bearings. Patented gimbal system. Titanium bridges.
- Escapement
- DIAMonSIL®
Checked 2026-09-29 · Regional scope: manufacturer Europe · Manufacturer specifications; individual watches may vary.
Original manufacturer wording is retained for source data without a reviewed translation.
Recorded discovery details.
- Brand
- Ulysse Nardin
- Reference token
- 2520-500le-3a-blue-3a
- Collection candidate
- Not established
- Family candidate
- Not established
- Product type
- Watch candidate
Official discovery source
The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.
Open official manufacturer page ↗Source record: ulysse-nardin-official-batch-20260924 · Manufacturer details checked; editorial publication pending.