blu (Bernhard Lederer Universe)

Universum Paris Reference G21, a rose gold automatic wristwatch, Circa 2005

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Description

Bernhard Lederer is a Swiss watch brand named after the watchmaker and inventor. In 1984, he began his apprenticeship in the workshop of the Wuppertal Watch Museum. At that time, he was already working on the restoration of old timepieces. He graduated from the Pforzheim Watchmaking School. His final project was a watch with a 1000-year perpetual calendar, which solved the problem of the 400-year non-switching time and provided an 800-year accurate moon phase and a display of solar and lunar eclipses. It also featured a gravity escapement. 1985, the year it was founded, he became one of the first members of the AHCI, the well-known association of independent watchmakers. In 2000, Lederer moved to Switzerland and founded his first watch brand, BLU. 2007, the BLU MT3 model caused a sensation: It was a tourbillon timepiece with three speeds (1 minute, 1 hour, 12 hours), no dial and no tourbillon cage for the minute tourbillon. Introduced in 2011, the Gagarin tourbillon is perhaps his most famous piece, one of the most original and complex tourbillons ever. The tourbillon cage, which rotates in one minute, floats above a 108-minute movement. The two are connected by a spectacular architectural column reminiscent of the Soviet era and visible through a magnifying glass.


Since 2015, Lederer has been working at the Manufacture de Haute Horlogerie et Micromécanique (M.H.M. for short), located in the village of St-Blaise near Neuchâtel. Since 2016, he has been working on the “Masters of Escapements” series, a set of six new escapements. The first result is the Central Impulse Chronometer. In 2021, the brand was awarded the Innovation Prize at the Grand Prix d'Horlogerie de Genève for this watch.


This Universum Paris reference G21 is a rose gold automatic wristwatch, circa 2005, with a 18K rose gold case with diamond in diameter 39mm with automatic self-winding movement. Non-BLU black alligator strap with 18K rose gold with diamond fold clasp. The same tone rose gold color dial with diamond-set. Water resistance approximately 30 meters.

Condition Report

Revive
Fair
Star iconGood
Very Good
Like New

Case is in overall good condition with moderate surface wear. Non-BLU bracelet has signs of stretch, scratches and surface wear throughout commensurate with age. Buckle has moderate signs of scratches. Crystal has moderate signs of scratches and surface wear throughout commensurate with age. Case-back has signs of scratches. The movement is running at the time of cataloging, however, it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement.


Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) cannot be shipped outside the country of sale. We reserve the right to remove these bands prior to shipping.

Year

2005

Reference Number

G21

Gender

Unisex, Women's, Men's

Dial Color(s)

Champagne

Movement Type

Automatic

Case Material(s)

Rose Gold

Case Number

90****

Case Size (mm)

39

Case Back

Sapphire display-back

Band Material

Alligator Skin

Clasp Type

Fold clasp

Clasp Material(s)

Diamond, Rose Gold

Signature

Case, Movement

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