
Manufacturer details checked
Urban Jürgensen
Urban Jürgensen uj-1
- Manufacturer reference
- UJ-1
- Material
- 950 platinum or 5N rose gold.
- Diameter
- 39.5mm
- Thickness
- 12.2mm
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
Search results may include other models. Check the exact reference, seller, condition and delivery terms on eBay.
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
- UJ-1
- Material
- 950 platinum or 5N rose gold.
- Diameter
- 39.5mm
- Thickness
- 12.2mm
- Bezel
- Stepped, polished, satin-polished
- Lugs
- Reinterpreted Jürgensen teardrop design, stepped, polished
- Lug width
- 20mm
- Crystal
- Domed sapphire with anti-reflective treatment
- Case middle
- Satin-polished
- Crown
- Non-screwed, fluted; UJ engraving
- Case back
- Hand guilloché circular Grain d’orge; sapphire crystal
- Water resistance
- 3 ATM (30meters, ~100feet)
- Indications
- Central hours, minutes; small seconds at 6 o’clock; fractional power reserve at 12 o’clock
- Finishes
- Hand guilloché linear Grain d’orge for main dial, Clous de Paris 45° for small seconds auxiliary dial; satin-polished chapter ring; applied surrounds for hours and small seconds in silver or 5N rose gold, satin-polished
- Hands
- Flame-blued Jürgensen
- Caliber UJ-1
- In-house, 5N rose gold-plated, handwound
- Height
- 8.17mm
- Complications
- One-minute flying tourbillon; remontoir d’égalité constant-force mechanism
- Winding system
- Flying barrel with Geneva stopwork
- Regulator
- Swiss lever escapement; balance wheel with micrometric timing screws; hairspring with Phillips terminal curve
- Jewels
- 32
- Power reserve
- 47 hours
- Frequency
- 18,000 vph (2.5 Hz)
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
- Urban Jürgensen
- Reference token
- uj-1
- 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: urban-jurgensen-official-batch-20260925 · Manufacturer details checked; editorial publication pending.