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
HOLY GRAILS
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
HOLY GRAILS
RECENTLY SOLD
PASSING TIME
ABOUT US

Cart

Your cart is empty.

Continue browsing

Shipping & taxes calculated at checkout

Sort

  • Featured
  • Most relevant
  • 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 White Gold Calatrava Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Ref. 570

Patek Philippe White Gold Calatrava Ref. 570

Sold Out

 
Patek Philippe - Patek Philippe White Gold Baguette Diamond Watch Ref. 3540 - The Keystone Watches

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540

Patek Philippe White Gold Baguette Diamond Watch Ref. 3540

$30,000 USD
 
Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

Vacheron Constantin Platinum Perpetual Calendar Diamond & Sapphire Watch Ref. 43031

$85,000 USD
 
Audemars Piguet Royal Oak C-Series Ref. 5402

Audemars Piguet Royal Oak C-Series Ref. 5402

Audemars Piguet Royal Oak C-Series Ref. 5402

$58,000 USD
 
Patek Philippe - Patek Philippe White Gold Ref. 3543 - The Keystone Watches

Patek Philippe White Gold Ref. 3543

Patek Philippe White Gold Ref. 3543

$10,500 USD
 
Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

Cartier Rose Gold Rotonde Jump Hour Ref. W1553751

$18,500 USD
 
Piaget White Gold Bracelet Watch Ref. 9902 with Opal and Pave Diamond Dial

Piaget White Gold Bracelet Watch Ref. 9902 with Opal and Pave Diamond Dial

Piaget White Gold Bracelet Watch Ref. 9902 with Opal and Pave Diamond Dial

Sold Out

 
Piaget White Gold Emperador Bracelet Watch Ref. 9131K51 with Pave Diamond Dial

Piaget White Gold Emperador Bracelet Watch Ref. 9131K51 with Pave Diamond Dial

Piaget White Gold Emperador Bracelet Watch Ref. 9131K51 with Pave Diamond Dial

$15,000 USD
 
Audemars Piguet Yellow Gold Turquoise & Diamond Bracelet Watch

Audemars Piguet Yellow Gold Turquoise & Diamond Bracelet Watch

Audemars Piguet Yellow Gold Turquoise & Diamond Bracelet Watch

$120,000 USD
 
Cartier Yellow Gold Ladies Bracelet Watch

Cartier Yellow Gold Ladies Bracelet Watch

Cartier Yellow Gold Ladies Bracelet Watch

Sold Out

 
Vacheron Constantin White Gold Square Mechanical Watch Ref. 2100

Vacheron Constantin White Gold Square Mechanical Watch Ref. 2100

Vacheron Constantin White Gold Square Mechanical Watch Ref. 2100

$8,000 USD
 
Cartier Tank Divan Ref. WA301836 with Enamel Panther

Cartier Tank Divan Ref. WA301836 with Enamel Panther

Cartier Tank Divan Ref. WA301836 with Enamel Panther

$45,000 USD
 
Patek Philippe White Gold Calatrava Ref. 5108G with Diamonds

Patek Philippe White Gold Calatrava Ref. 5108G with Diamonds

Patek Philippe White Gold Calatrava Ref. 5108G with Diamonds

Sold Out

 
Audemars Piguet White Gold Octagonal Bracelet Watch

Audemars Piguet White Gold Octagonal Bracelet Watch

Audemars Piguet White Gold Octagonal Bracelet Watch

$18,500 USD
 
Patek Philippe White Gold Golden Ellipse Ref. 3545

Patek Philippe White Gold Golden Ellipse Ref. 3545

Patek Philippe White Gold Golden Ellipse Ref. 3545

Sold Out

 
Gerald Genta Steel Fantasy Retro Automatic Ref. G.3612 Mickey Mouse Golf Dial

Gerald Genta Steel Fantasy Retro Automatic Ref. G.3612 Mickey Mouse Golf Dial

Gerald Genta Steel Fantasy Retro Automatic Ref. G.3612 Mickey Mouse Golf Dial

Sold Out

 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
Vacheron Constantin Steel Tonneau Automatic Watch Ref. 7397 (New Arrival)

Vacheron Constantin Steel Tonneau Automatic Watch Ref. 7397 (New Arrival)

Vacheron Constantin Steel Tonneau Automatic Watch Ref. 7397 (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 3970P with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 3970P with Original Box and Papers

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 3970P with Original Box and Papers

"Price upon request"
 
Cartier - Cartier Yellow Gold Tank Allongee with Eagle Beak Lugs, 1940s - The Keystone Watches

Cartier Yellow Gold Tank Allongee with Eagle Beak Lugs, 1940s

Cartier Yellow Gold Tank Allongee with Eagle Beak Lugs, 1940s

$60,000 USD
 
Patek Philippe - Patek Philippe Steel Calatrava Ref. 3466 - The Keystone Watches

Patek Philippe Steel Calatrava Ref. 3466

Patek Philippe Steel Calatrava Ref. 3466

$27,000 USD
 
Breguet - Breguet Steel Chronograph Watch, 1940s - The Keystone Watches

Breguet Steel Chronograph Watch, 1940s

Breguet Steel Chronograph Watch, 1940s

Sold Out

  • ​
  • 1
  • …
  • 11
  • 12
  • 13
  • 14
  • 15
  • …
  • 225
  • ​
New Arrivals Preview
 
Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

Rolex Yellow Gold Oyster Perpetual Day-Date Ref. 1803/8 with Claw Dial (New Arrival)

$10,800 USD
 
Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

Patek Philippe White Gold Ref. 2592 (New Arrival)

$11,000 USD
 
Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

Audemars Piguet Round UFO-Style Bracelet Watch (New Arrival)

$10,500 USD
 
Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

Tissot Steel Chronograph with Black Gilt Dial (New Arrival)

$16,000 USD
 
Vacheron Constantin - Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival) - The Keystone Watches

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

Vacheron Constantin Yellow Gold Chronograph Watch Ref. 4178 with Important Provenance (New Arrival)

$60,000 USD
 
Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

Chopard Yellow Gold Happy Diamonds Sapphire & Diamonds Ref. 27/6258-23 (New Arrival)

$11,500 USD
 
Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

Cartier Pink Gold Tank on Bracelet Mecanique WGTA0010 with Warranty Card (New Arrival)

$26,000 USD
Shop all New Arrivals Preview

SHOP

  • BY BRAND
  • NEW ARRIVALS
  • HOLY GRAILS
  • RECENTLY SOLD
  • PASSING TIME
  • ABOUT US

Terms & Conditions

  • SEARCH
  • SELL TO US
  • ABOUT US
  • CONTACT US
  • TERMS & CONDITIONS

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 €)
  • 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 2026