1

IWC

Ref. 5251
Model: Portofino 
A surprising and historically important yellow gold wristwatch with moonphase display, formerly owned by Günter Blümlein

Estimate CHF8,000 - 16,000

2

Ebel

Ref. 8134901
Model: Sports Classic Chronograph 
A lovely and heavy yellow gold chronograph wristwatch with early wave bracelet

Estimate CHF5,000 - 10,000

3

Patek Philippe

Ref. 3940J
An uber rare yellow gold perpetual calendar wristwatch with champagne dial, moon phases, 24-hour and leap year indication

Estimate CHF45,000 - 90,000

4

Blancpain

Ref. 5335-1418
An elegant and extremely fine yellow gold minute repeating perpetual calendar wristwatch with bracelet

Estimate CHF18,000 - 26,000

5

Breguet

Ref. 3450
An early and very rare platinum and pink gold tourbillon wristwatch with blank guarantee and box

Estimate CHF25,000 - 50,000

6

Audemars Piguet

Ref. 25881
Model: John Shaeffer 
A superb platinum minute repeating wristwatch with rotating discs display, number 5 of a limited edition of 10 pieces

Estimate CHF25,000 - 50,000

7

Vacheron Constantin

Ref. 43032
A superbly crated skeletonized platinum perpetual calendar wristwatch with moonphases, guarantee and presentation box

Estimate CHF25,000 - 50,000

8

Alain Silberstein

Ref. KM09AS
Model: Klub Medio "Dragon Cloisonné" 
An exquisite and playful stainless steel automatic wristwatch with center seconds, cloisonné enamel dial, CETEHOR certificate, enamel certificate, guarantee and presentation box

Estimate CHF5,000 - 10,000

9

Gérald Genta

Ref. G.3149.7
Model: Gefica 
A fine, scarce and extremely collectible yellow gold perpetual calendar wristwatch with moon phase, lapis dial, mother of pearl sub-dials and butterfly buckle with integrated compass

Estimate CHF12,000 - 24,000

10

Ulysse Nardin

Ref. 709-20
Model: Jacquemart Forgerons 
An extremely fine and rare numbered edition platinum hour striking and repeating wristwatch with automaton Jaquemarts and enamel dial

Estimate CHF25,000 - 50,000

11

Urwerk

Ref. UR-102
Model: UR-102 
An unusual, cutting edge and historically important stainless steel wristwatch with wandering hours display and presentation box

Estimate CHF30,000 - 60,000

12

Daniel Roth

Ref. C187
Model: Tourbillon Regulateur Double Face 
A wonderful and extremely rare stainless steel double faced tourbillon wristwatch with date, power reserve indicator, box and guarantee, number 12 of a limited edition of 20 pieces

Estimate CHF60,000 - 120,000

13

Vianney Halter

Model: Antiqua 
A cutting edge and groundbreaking pink gold perpetual calendar wristwatch

Estimate CHF80,000 - 160,000

14

F.P. Journe

Model: Tourbillon à Remontoire d'Egalité 
A career defining, and history changing platinum tourbillon wristwatch with remontoire and original technical drawings

In excess of CHF2,000,000 $2,360,000 €2,130,000

15

Ebel

Ref. 8134901
Model: Sports Classic Chronograph 
A superb yellow gold chronograph wristwatch with blue mother of pearl dial, guarantee and box

Estimate CHF5,000 - 10,000

16

Blancpain

Model: World time Prototype 
A very fine, attractive and possibly unique yellow gold world time automatic wristwatch and J.P. Hagmann case

Estimate CHF15,000 - 30,000

17

Cartier

Ref. 2332
Model: Pasha 
A very fine and attractive white gold wristwatch with lapis lazuli dial and removable grid

Estimate CHF8,000 - 12,000

18

Patek Philippe

Ref. 3710/1A-001
Model: Nautilus "Comet" 
A fine and attractive stainless steel wristwatch with date, power reserve and bracelet, certificate of origin and presentation box, retailed by Tiffany & Co.

Estimate CHF60,000 - 120,000

19

Andersen Geneve

Ref. 360
A stupendous unique white gold minute repeating retrograde perpetual calendar wristwatch with bracelet, J.P. Hagmann case and documentation

Estimate CHF80,000 - 160,000

20

IWC

Ref. 3510
Model: Compass Watch 
An unusual, scarce and perfectly preserved military green PVD-coated aluminum automatic wristwatch with center seconds, date, hinged case concealing a compass and an emergency beacon mirror and bracelet

Estimate CHF3,000 - 5,000

21

Roger Dubuis

Model: H40 
A fine and attractive limited edition white gold chronograph wristwatch with black dial and presentation box

Estimate CHF25,000 - 50,000

22

Urban Jürgensen

Model: Reference 3 
An elegant and rare pink gold perpetual calendar wristwatch with moonphases and power reserve and certificate

Estimate CHF30,000 - 60,000

23

Audemars Piguet

Ref. 25720/002
Model: Star Wheel 
A rare and most intriguing platinum wristwatch with rotating discs display, engraved dial, certificate and presentation box

Estimate CHF15,000 - 25,000

24

Daniel Roth

A unique and important white gold ultra slim minute repeating wristwatch

Estimate CHF70,000 - 140,000

25

Patek Philippe

Ref. 3970EG
A rare, early and well-preserved white gold perpetual calendar chronograph wristwatch with moonphases, leap year indication, 24-hours indication and certificate

Estimate CHF80,000 - 160,000

26

A. Lange & Söhne

Ref. 701.007
Model: Tourbillon Pour le Mérite 
An early, highly rare and attractive white gold tourbillon wristwatch with fusée chain mechanism and power reserve indication number, 102 of a 150 piece limited edition

Estimate CHF150,000 - 300,000

27

Rolex

Ref. 16599SAAEC
Model: Cosmograph Daytona "Rainbow" 
A highly important and most probably unique white gold chronograph wristwatch with rainbow hued multi-gem sapphire bezel

In excess of CHF3,000,000 $3,540,000 €3,200,000

28

Patek Philippe

Ref. 5070G-001
An exceptionally well-preserved and elegant white gold chronograph wristwatch with certificate of origin and presentation box

Estimate CHF40,000 - 80,000

29

IWC

Ref. 3755
Model: Da Vinci 
A surprising and very collectible white ceramic and yellow gold automatic perpetual calendar chronograph wristwatch with moonphases and 4-digit year indication

Estimate CHF8,000 - 16,000

30

Chopard

Ref. 16/1860/2
Model: L.U.C. 1860 
An extremely elegant and fine white gold wristwatch with blue dial and small seconds and certificate of origin, number 558 of a limited edition of 1860 pieces

Estimate CHF8,000 - 16,000

31

Breguet

Ref. 3040BA
Model: Serpentine 
A fine and attractive yellow gold triple date calendar wristwatch with moon phases and serpentine hand, retailed by Chaumet

Estimate CHF10,000 - 20,000

32

Daniel Roth

Ref. C317
Model: Papillon 
A surprising and elegant white gold jump hour wristwatch with box, blank guarantee, number 43 of a limited edition of 110 pieces

Estimate CHF30,000 - 60,000

33

Franck Muller

Model: Janus 
A historically important, rare and very early double-dialed platinum single-button chronograph wristwatch with world-time indication and Hagmann case

Estimate CHF100,000 - 200,000

34

Corum

Ref. 13.850.56
Model: Golden Bridge 
A cutting edge and lavish white gold linear movement wristwatch with bracelet

Estimate CHF6,000 - 12,000

35

Girard-Perregaux

Model: Tourbillon sous trois Ponts d’or 
A very fine and attractive yellow gold tourbillon wristwatch with three gold bridges movement

Estimate CHF20,000 - 40,000

36

Ebel

Ref. 3136901
A fine and extremely charming white gold perpetual calendar chronograph wristwatch with bracelet

Estimate CHF8,000 - 16,000

37

Audemars Piguet

Ref. 5552BA
An extremely uncommon, highly impressive and very well-preserved yellow gold automatic perpetual calendar wristwatch with moonphases, diamond and sapphire-set bezel and integrated bracelet

Estimate CHF30,000 - 60,000

38

Gérald Genta

Ref. GGM1
Model: "Grande and Petite Sonnerie" Number 1 
A breathtaking and most probably unique Yttrium automatic two train minute repeating grande and petite sonnerie tourbillon wristwatch with power reserve, mother-of-pearl dial and Westminster Chimes

Estimate CHF80,000 - 160,000

39

Patek Philippe

Ref. 3450
Model: "Padellone" 
An extremely scarce, highly collectible and attractive yellow gold automatic perpetual calendar wristwatch with moonphases, certificate of origin and presenation box

Estimate CHF150,000 - 300,000

40

Derek Pratt for Urban Jürgensen

Model: "The Oval" 
A unique, historical and era defining detent escapement tourbillon platinum oval pocketwatch with remontoire, power reserve indication, thermometer and moonphase display

In excess of CHF1,000,000 $1,180,000 €1,070,000

41

Patek Philippe

Ref. 3800/1J
Model: Nautilus 
A very elegant and refined yellow gold automatic wristwatch with date, bracelet, original certificate and presentation box

Estimate CHF40,000 - 80,000

42

Franck Muller

Ref. 2870 NADF
Model: Chronographe Double Face 
A rare and attractive pink gold double-faced chronograph wristwatch with two-tone silvered dials, pulsations, telemeter and tachymeter scales, certificate of origin and presentation box

Estimate CHF5,000 - 10,000

43

Audemars Piguet

Ref. 25643
A superb, rare, historic and groundbreaking platinum tourbillon wristwatch with mother of pearl dial, certificate of origin and presentation box

Estimate CHF20,000 - 40,000

44

Blancpain

A unique and cheeky pink gold minute repeating wristwatch with erotic automata and enamel with blank papers and box

Estimate CHF15,000 - 30,000

45

Parmigiani Fleurier

Model: Toric Perpetual Calendar 
A lovely and elegant platinum perpetual calendar wristwatch with retrograde date and moonphase indication

Estimate CHF25,000 - 50,000

46

Andersen Geneve

Ref. 369
A spectacular and unique pink gold minute repeating split seconds chronograph wristwatch with retrograde date, minutes counter and moonphase display, case made by JP Hagmann

Estimate CHF70,000 - 140,000

47

Minerva

Ref. C722
Model: Phoebus 
An attractive yellow gold chronograph wristwatch with engraved case, blank guarantee and box, number 47 of a 80 piece limited edition

Estimate CHF3,000 - 6,000

48

Vacheron Constantin

Ref. 43032
A fine and rare yellow gold skeletonised perpetual calendar wristwatch with moon phases

Estimate CHF20,000 - 40,000

49

Breguet

Ref. 3617
A superb and rare platinum perpetual calendar chronograph wristwatch with moonphase indication

Estimate CHF25,000 - 50,000

50

Daniel Roth

Ref. 2147
A very attractive and early platinum chronograph wristwatch with guilloché dial, certificate of origin and presentation box

Estimate CHF25,000 - 50,000

51

Cartier

Model: Crash 
A very fine and rare asymmetrical wristwatch, numbered 350 of a limited edition of 400 pieces with guarantee and box

Estimate CHF50,000 - 100,000

52

Patek Philippe

Ref. 3974
An ultra rare and historic white gold minute repeating perpetual calendar wristwatch with moon phase, leap year and 24-hour indications with certificate of origin

Estimate CHF600,000 - 1,200,000

53

Audemars Piguet

Ref. 25686PT
Model: Royal Oak Perpetual Calendar 
A highly rare limited edition platinum perpetual calendar wristwatch with Mk 1 dial, bracelet and copy of the original invoice, numbered 12 out of 25 pieces made

Estimate CHF150,000 - 300,000

54

A. Lange & Söhne

Ref. 101.026
Model: Lange 1 
An extremely rare and important stainless steel wristwatch with oversized date and power reserve, in “New Old Stock” condition

Estimate CHF150,000 - 300,000

55

Patek Philippe

Ref. 3970E
An exquisite, elegant and highly collectible platinum perpetual calendar chronograph wristwatch with moonphases, 24-hours indication, leap cycle indication, black gloss dial with diamond-set numerals, certificate, additional caseback and box

Estimate CHF90,000 - 180,000

56

Ulysse Nardin

Ref. 831-22
Model: Planetarium Copernicus 
An incredibly innovative and impressive yellow gold planetarium wristwatch with guarantee and presentation box

Estimate CHF20,000 - 40,000

57

Audemars Piguet

Ref. 25761 PT
Model: Répétition Minutes John Shaeffer 
A highly rare and attractive platinum minute repeating wristwatch with open skeletonized dial

Estimate CHF25,000 - 50,000

58

Daniel Roth

A superb and ultra rare instantaneous pink gold perpetual calendar wristwatch

Estimate CHF30,000 - 60,000

59

Vacheron Constantin

Ref. 43050
Model: Mercator 
An avant garde and ingenious yellow gold wristwatch with retrograde hours and minutes hands, engraved dial representing the map of Europe/Asia/Africa, made to commemorate the 400th anniversary of Gerardus Mercator with guarantee and box

Estimate CHF15,000 - 30,000

60

Gérald Genta

Ref. G4010 4
A very attractive and rare white gold skeletonized minute repeating perpetual calendar tourbillon wristwatch with leap year indication and moonphase display

Estimate CHF30,000 - 60,000

61

Blancpain

Ref. 5581
An attractive and collectible platinum perpetual calendar split-seconds chronograph wristwatch with moon phases and leap year indicator

Estimate CHF20,000 - 40,000

62

Patek Philippe

Ref. 5020
A fascinating, very rare and extremely collectible pink gold perpetual calendar chronograph wristwatch with moonphases, leap year indication and 24-hour indication

Estimate CHF80,000 - 160,000

63

Breguet

Ref. 3237
A superb and rare yellow gold chronograph wristwatch with onyx hour and minute track

Estimate CHF25,000 - 50,000

64

Patek Philippe

Ref. 3979
A fresh to-the-market and possibly unique pink gold minute repeating automatic wristwatch with certificate of origin, additional caseback and purchase receipts, made to commemorate the 150th Anniversary of Patek Philippe

Estimate CHF250,000 - 500,000

65

Philippe Dufour

Model: Duality 
A unique, historic and scholarship-changing platinum wristwatch with double escapement and certificate

Estimate CHF800,000 - 1,600,000