Dear watch aficionado.
A pretty awesome fact about this Urban Jürgensen reference 3 in yellow gold N°015 is, that it was used as the official "reference 3 Model" in the UJS catalogue as you can see on the following photos.
In the 1990s, when the
reference 3 was presented, Urban Jürgensen was guided by Peter Baumberger and together with Derek Pratt they developed their
collections. Derek Pratt was as well the one who developed the up/down
mechanism on the reference 3,
which took almost 2 years of research, different technical drawings and three
dozens of additional parts to finally fit into the ultra thin (2.4mm)
Frédérique Piguet base movement. The more, the whole modification for the
perpetual calendar indication was as well developed and produced in-house at
the atelier of Urban Jürgensen!
To finish the guilloché
dial, it takes more than 700 operations and 2 days of work. The moon display
requires over 20 operations to produce the blued steel background with inserted
gold moon discs and stars that are punched in one by one. The effort required
to produce the elegantly curved springs and levers of the perpetual calendar
mechanism is partially unlimited. Each steel surface is carefully grained and
the edges angled and polished to perfection. The tear drop lugs are individually forged and
then soldered by hand to the case.
The level of finissage on the Urban Jürgensen reference 3 timepieces is at the very highest standards of watchmaking.
Caliber:
Base Automatic caliber FP71, 18 000 vph
In-house modified by Derek Pratt
Perpetual calendar mechanism
Power reserve indication mechanism developed by Derek Pratt
Guilloché-main 21kt gold rotor
40 jewels, 2.4mm high
Case:
18kt rose gold
38mm diameter
Each single lug forged and welded to the case
Solid caseback
Dial:
Guilloché-main by Derek Pratt N°015
Highlights:
Reference 3 Model in the official Urban Jürgensen catalogue
NOS, never been worn, full set
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