Skip to content

213-632-9061    Hello@TheKeystone.com   WhatsApp

The Keystone Watches
Cart $0 (0)
The Keystone Watches
BY BRAND
Patek Philippe ROLEX Audemars Piguet CARTIER OTHER (OMEGA, A. LANGE & SÖHNE, F.P. JOURNE, ETC.) Piaget
NEW ARRIVALS
Objet d'art
RECENTLY SOLD
PASSING TIME
ABOUT US
Search
Cart $0 (0)
BY BRAND
Patek Philippe
ROLEX
Audemars Piguet
CARTIER
OTHER (OMEGA, A. LANGE & SÖHNE, F.P. JOURNE, ETC.)
Piaget
NEW ARRIVALS
Objet d'art
RECENTLY SOLD
PASSING TIME
ABOUT US

Cart

Your cart is empty.

Continue browsing

Shipping & taxes calculated at checkout

Sort

  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old

Filter

 
 
 
$
-
$
 
Patek Philippe - Patek Philippe Platinum Split Seconds Monopusher Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split Seconds Monopusher Ref. 5370

Patek Philippe Platinum Split Seconds Monopusher Ref. 5370

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951 - The Keystone Watches

Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951

Patek Philippe Platinum Split Seconds Perpetual Hand-Engraved Watch Ref. 5951

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951 - The Keystone Watches

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

Patek Philippe Platinum Split Seconds Perpetual Monopoissor Chronograph Watch Ref. 5951

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Sold Out

 
Patek Philippe - Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370 - The Keystone Watches

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Patek Philippe Platinum Split-Seconds Chronograph Watch Ref. 5370

Sold Out

 
Patek Philippe Platinum Square Watch Ref. 2488

Patek Philippe Platinum Square Watch Ref. 2488

Patek Philippe Platinum Square Watch Ref. 2488

$25,000 USD
 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Patek Philippe Platinum World Time Cloisonne Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Ref. 5130, Dubai Edition - The Keystone Watches

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

Patek Philippe Platinum World Time Ref. 5130, Dubai Edition

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5110 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5110

Patek Philippe Platinum World Time Watch Ref. 5110

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5130 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5130

Patek Philippe Platinum World Time Watch Ref. 5130

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

Sold Out

 
Patek Philippe - Patek Philippe Platinum World Time Watch Ref. 5131 - The Keystone Watches

Patek Philippe Platinum World Time Watch Ref. 5131

Patek Philippe Platinum World Time Watch Ref. 5131

Sold Out

 

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Patek Philippe Platinum World Time Watch Ref. 5131, Single Sealed

Sold Out

 
Patek Philippe - Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089 - The Keystone Watches

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Patek Philippe Rare Handcrafts Grand Canyon Watch Ref. 5089

Sold Out

 
Patek Philippe - Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007 - The Keystone Watches

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

Patek Philippe Rectangular Platinum & Baguette Diamond Watch Ref. 5007

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R - The Keystone Watches

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

Patek Philippe Rose Gold 10-Day Power Reserve Watch Ref. 5100R

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101 - The Keystone Watches

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101

Sold Out

 

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101, Single Sealed

Patek Philippe Rose Gold 10-Day Tourbillon Watch Ref. 5101, Single Sealed

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101 - The Keystone Watches

Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101

Patek Philippe Rose Gold 10-Day Tourbillon Watch, Ref. 5101

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

Patek Philippe Rose Gold Annual Calendar Advanced Research Ref. 5350R

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960

Patek Philippe Rose Gold Annual Calendar Chrono Watch Ref. 5960

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5905R

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5960

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

Patek Philippe Rose Gold Annual Calendar Chronograph Ref. 5961R with Factory Diamonds

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Patek Philippe Rose Gold Annual Calendar Moonphase Watch Ref. 5205

Sold Out

 

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Patek Philippe Rose Gold Annual Calendar Ref. 5035, One of 100 Made for AC Milan

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5035R

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146 - The Keystone Watches

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

Patek Philippe Rose Gold Annual Calendar Watch Ref. 5146

Sold Out

  • ​
  • 1
  • …
  • 50
  • 51
  • 52
  • 53
  • 54
  • …
  • 126
  • ​
New Arrivals Preview
 
Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

Patek Philippe 565 Retailed by Hausmann & Co. (New Arrival)

$105,000 USD
 
Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

Cartier Yellow Gold Tonneau Watch, Paris 1991 (New Arrival)

$11,500 USD
 
Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

Audemars Piguet White Gold Diamond & Sapphire Watch Ref. 14781 with Original Warranty (New Arrival)

$58,000 USD
 
Rolex - Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival) - The Keystone Watches

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

Rolex Yellow Gold Cellini Watch Ref. 4934/8 with Logo Bracelet (New Arrival)

$15,500 USD
 
Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

Rolex White Gold Cellini Ref. 4083 (New Arrival)

$4,500 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 4189 (New Arrival)

$9,800 USD
 
Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

Patek Philippe White Gold Calatrava Watch Ref. 3445 in Top Condition (New Arrival)

$15,000 USD
Shop all New Arrivals Preview

SHOP

  • BY BRAND
  • NEW ARRIVALS
  • Objet d'art
  • RECENTLY SOLD
  • PASSING TIME
  • ABOUT US

Terms & Conditions

  • SEARCH
  • SELL TO US
  • ABOUT US
  • CONTACT US
  • TERMS & CONDITIONS
  • Do not sell my personal information

Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

Stay in touch.

Currency

  • Afghanistan (AF ؋)
  • Åland Islands (AX €)
  • Albania (AL L)
  • Algeria (DZ د.ج)
  • Andorra (AD €)
  • Angola (AO $)
  • Anguilla (AI $)
  • Antigua & Barbuda (AG $)
  • Argentina (AR $)
  • Armenia (AM դր.)
  • Aruba (AW ƒ)
  • Ascension Island (AC £)
  • Australia (AU $)
  • Austria (AT €)
  • Azerbaijan (AZ ₼)
  • Bahamas (BS $)
  • Bahrain (BH $)
  • Bangladesh (BD ৳)
  • Barbados (BB $)
  • Belarus (BY $)
  • Belgium (BE €)
  • Belize (BZ $)
  • Benin (BJ Fr)
  • Bermuda (BM $)
  • Bhutan (BT $)
  • Bolivia (BO Bs.)
  • Bosnia & Herzegovina (BA КМ)
  • Botswana (BW P)
  • Brazil (BR $)
  • British Indian Ocean Territory (IO $)
  • British Virgin Islands (VG $)
  • Brunei (BN $)
  • Bulgaria (BG лв.)
  • Burkina Faso (BF Fr)
  • Burundi (BI Fr)
  • Cambodia (KH ៛)
  • Cameroon (CM CFA)
  • Canada (CA $)
  • Cape Verde (CV $)
  • Caribbean Netherlands (BQ $)
  • Cayman Islands (KY $)
  • Central African Republic (CF CFA)
  • Chad (TD CFA)
  • Chile (CL $)
  • China (CN ¥)
  • Christmas Island (CX $)
  • Cocos (Keeling) Islands (CC $)
  • Colombia (CO $)
  • Comoros (KM Fr)
  • Congo - Brazzaville (CG CFA)
  • Congo - Kinshasa (CD Fr)
  • Cook Islands (CK $)
  • Costa Rica (CR ₡)
  • Côte d’Ivoire (CI Fr)
  • Croatia (HR €)
  • Curaçao (CW ƒ)
  • Cyprus (CY €)
  • Czechia (CZ Kč)
  • Denmark (DK kr.)
  • Djibouti (DJ Fdj)
  • Dominica (DM $)
  • Dominican Republic (DO $)
  • Ecuador (EC $)
  • Egypt (EG ج.م)
  • El Salvador (SV $)
  • Equatorial Guinea (GQ CFA)
  • Eritrea (ER $)
  • Estonia (EE €)
  • Eswatini (SZ $)
  • Ethiopia (ET Br)
  • Falkland Islands (FK £)
  • Faroe Islands (FO kr.)
  • Fiji (FJ $)
  • Finland (FI €)
  • France (FR €)
  • French Guiana (GF €)
  • French Polynesia (PF Fr)
  • French Southern Territories (TF €)
  • Gabon (GA Fr)
  • Gambia (GM D)
  • Georgia (GE $)
  • Germany (DE €)
  • Ghana (GH $)
  • Gibraltar (GI £)
  • Greece (GR €)
  • Greenland (GL kr.)
  • Grenada (GD $)
  • Guadeloupe (GP €)
  • Guatemala (GT Q)
  • Guernsey (GG £)
  • Guinea (GN Fr)
  • Guinea-Bissau (GW Fr)
  • Guyana (GY $)
  • Haiti (HT $)
  • Honduras (HN L)
  • Hong Kong SAR (HK $)
  • Hungary (HU Ft)
  • Iceland (IS kr)
  • India (IN ₹)
  • Indonesia (ID Rp)
  • Iraq (IQ $)
  • Ireland (IE €)
  • Isle of Man (IM £)
  • Israel (IL ₪)
  • Italy (IT €)
  • Jamaica (JM $)
  • Japan (JP ¥)
  • Jersey (JE $)
  • Jordan (JO $)
  • Kazakhstan (KZ ₸)
  • Kenya (KE KSh)
  • Kiribati (KI $)
  • Kosovo (XK €)
  • Kuwait (KW $)
  • Kyrgyzstan (KG som)
  • Laos (LA ₭)
  • Latvia (LV €)
  • Lebanon (LB ل.ل)
  • Lesotho (LS $)
  • Liberia (LR $)
  • Libya (LY $)
  • Liechtenstein (LI CHF)
  • Lithuania (LT €)
  • Luxembourg (LU €)
  • Macao SAR (MO P)
  • Madagascar (MG $)
  • Malawi (MW MK)
  • Malaysia (MY RM)
  • Maldives (MV MVR)
  • Mali (ML Fr)
  • Malta (MT €)
  • Martinique (MQ €)
  • Mauritania (MR $)
  • Mauritius (MU ₨)
  • Mayotte (YT €)
  • Mexico (MX $)
  • Moldova (MD L)
  • Monaco (MC €)
  • Mongolia (MN ₮)
  • Montenegro (ME €)
  • Montserrat (MS $)
  • Morocco (MA د.م.)
  • Mozambique (MZ $)
  • Myanmar (Burma) (MM K)
  • Namibia (NA $)
  • Nauru (NR $)
  • Nepal (NP Rs.)
  • Netherlands (NL €)
  • New Caledonia (NC Fr)
  • New Zealand (NZ $)
  • Nicaragua (NI C$)
  • Niger (NE Fr)
  • Nigeria (NG ₦)
  • Niue (NU $)
  • Norfolk Island (NF $)
  • North Macedonia (MK ден)
  • Norway (NO $)
  • Oman (OM $)
  • Pakistan (PK ₨)
  • Palestinian Territories (PS ₪)
  • Panama (PA $)
  • Papua New Guinea (PG K)
  • Paraguay (PY ₲)
  • Peru (PE S/)
  • Philippines (PH ₱)
  • Pitcairn Islands (PN $)
  • Poland (PL zł)
  • Portugal (PT €)
  • Qatar (QA ر.ق)
  • Réunion (RE €)
  • Romania (RO Lei)
  • Russia (RU $)
  • Rwanda (RW FRw)
  • Samoa (WS T)
  • San Marino (SM €)
  • São Tomé & Príncipe (ST Db)
  • Saudi Arabia (SA ر.س)
  • Senegal (SN Fr)
  • Serbia (RS РСД)
  • Seychelles (SC $)
  • Sierra Leone (SL Le)
  • Singapore (SG $)
  • Sint Maarten (SX ƒ)
  • Slovakia (SK €)
  • Slovenia (SI €)
  • Solomon Islands (SB $)
  • Somalia (SO $)
  • South Africa (ZA $)
  • South Georgia & South Sandwich Islands (GS £)
  • South Korea (KR ₩)
  • South Sudan (SS $)
  • Spain (ES €)
  • Sri Lanka (LK ₨)
  • St. Barthélemy (BL €)
  • St. Helena (SH £)
  • St. Kitts & Nevis (KN $)
  • St. Lucia (LC $)
  • St. Martin (MF €)
  • St. Pierre & Miquelon (PM €)
  • St. Vincent & Grenadines (VC $)
  • Sudan (SD $)
  • Suriname (SR $)
  • Svalbard & Jan Mayen (SJ $)
  • Sweden (SE kr)
  • Switzerland (CH CHF)
  • Taiwan (TW $)
  • Tajikistan (TJ ЅМ)
  • Tanzania (TZ Sh)
  • Thailand (TH ฿)
  • Timor-Leste (TL $)
  • Togo (TG Fr)
  • Tokelau (TK $)
  • Tonga (TO T$)
  • Trinidad & Tobago (TT $)
  • Tristan da Cunha (TA £)
  • Tunisia (TN $)
  • Türkiye (TR $)
  • Turkmenistan (TM $)
  • Turks & Caicos Islands (TC $)
  • Tuvalu (TV $)
  • U.S. Outlying Islands (UM $)
  • Uganda (UG USh)
  • Ukraine (UA ₴)
  • United Arab Emirates (AE د.إ)
  • United Kingdom (GB £)
  • United States (US $)
  • Uruguay (UY $U)
  • Uzbekistan (UZ so'm)
  • Vanuatu (VU Vt)
  • Vatican City (VA €)
  • Venezuela (VE $)
  • Vietnam (VN ₫)
  • Wallis & Futuna (WF Fr)
  • Western Sahara (EH د.م.)
  • Yemen (YE ﷼)
  • Zambia (ZM $)
  • Zimbabwe (ZW $)
© The Keystone Watches 2025