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
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
HOLY GRAILS
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 Stainless Steel Calatrava Watch Ref. 3466 - The Keystone Watches

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

Patek Philippe Stainless Steel Calatrava Watch Ref. 3466

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140 - The Keystone Watches

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5140

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Patek Philippe Yellow Gold Perpetual Calendar Automatic Watch Ref. 3945

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970 - The Keystone Watches

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

Patek Philippe Yellow Gold 2nd Series Perpetual Calendar Chrono Watch Ref. 3970

Sold Out

 
Patek Philippe - Patek Philippe Two-Tone Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Patek Philippe Two-Tone Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990 - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Patek Philippe Yellow Gold Perpetual Calendar Chrono Baguette Watch Ref. 3990

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Patek Philippe Rose Gold Perpetual Calendar Minute Repeater Watch Ref. 5013

Sold Out

 
Patek Philippe - Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204 - The Keystone Watches

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

Patek Philippe Platinum Perpetual Split Seconds Chrono Watch Ref. 5204

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 Perpetual Calendar Chrono Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Chrono Watch Ref. 5970

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J - The Keystone Watches

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940J

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

Patek Philippe Rose Gold Calatrava Retailed by Serpico y Laino Ref. 570

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

Patek Philippe Yellow Gold Calatrava Automatic Watch Ref. 3514

Sold Out

 
Patek Philippe - Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate - The Keystone Watches

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

Patek Philippe White Gold Automatic Watch Ref. 3588/1 with Certificate

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Watch Ref. 570 - The Keystone Watches

Patek Philippe White Gold Calatrava Watch Ref. 570

Patek Philippe White Gold Calatrava Watch Ref. 570

Sold Out

 
Patek Philippe - Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers - The Keystone Watches

Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers

Patek Philippe Platinum and Gold Pocket Watch with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Aquanaut Steel Blue Ref. 5066/1a - The Keystone Watches

Patek Philippe Aquanaut Steel Blue Ref. 5066/1a

Patek Philippe Aquanaut Steel Blue Ref. 5066/1a

Sold Out

 
Patek Philippe - Patek Philippe Steel 1989 Anniversary Watch Ref. 3718 - The Keystone Watches

Patek Philippe Steel 1989 Anniversary Watch Ref. 3718

Patek Philippe Steel 1989 Anniversary Watch Ref. 3718

Sold Out

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

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

Patek Philippe White Gold Rectangular Baguette Diamond Watch Ref. 3540

Sold Out

 
Patek Philippe - Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216 - The Keystone Watches

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Patek Philippe Platinum Minute Repeater Perpetual Calendar Watch Ref. 5216

Sold Out

 
Patek Philippe - Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213 - The Keystone Watches

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213

Patek Philippe White Gold Minute Repeating Perpetual Ref. 5213

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Automatic Watch Ref. 3580 - The Keystone Watches

Patek Philippe Stainless Steel Automatic Watch Ref. 3580

Patek Philippe Stainless Steel Automatic Watch Ref. 3580

Sold Out

 
Patek Philippe - Patek Philippe Calatrava Rose Gold Ref. 3425R - The Keystone Watches

Patek Philippe Calatrava Rose Gold Ref. 3425R

Patek Philippe Calatrava Rose Gold Ref. 3425R

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022 - The Keystone Watches

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

Patek Philippe Yellow Gold Officers Grey Roman Dial Ref. 5022

Sold Out

 
Patek Philippe - Patek Philippe White Gold Chronograph Watch Ref. 5070G - The Keystone Watches

Patek Philippe White Gold Chronograph Watch Ref. 5070G

Patek Philippe White Gold Chronograph Watch Ref. 5070G

Sold Out

 
Patek Philippe - Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425 - The Keystone Watches

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

Vintage Patek Philippe Platinum Rectangular Diamond Watch Ref. 425

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729 - The Keystone Watches

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

Patek Philippe Yellow Gold Onyx Dial Strap Watch Ref. 3729

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 White Gold Gondolo Salmon Dial Ref. 5024 - The Keystone Watches

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

Patek Philippe White Gold Gondolo Salmon Dial Ref. 5024

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604 - The Keystone Watches

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

Patek Philippe Yellow Gold Automatic Bracelet Watch Ref. 3604

Sold Out

  • ​
  • 1
  • …
  • 36
  • 37
  • 38
  • ​
New Arrivals Preview
 
Rolex - Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival) - The Keystone Watches

Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival)

Rolex Steel Blue Oysterdate Ref. 6694 in New Old Stock Condition (New Arrival)

$4,500 USD
 
Breguet - Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL) - The Keystone Watches

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

Breguet Yellow Gold Classique Ref. 3210 (NEW ARRIVAL)

$7,200 USD
 
Audemars Piguet - Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival) - The Keystone Watches

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

Audemars Piguet White Gold Round Watch with Beaded Bracelet and Pave Diamond and Sapphire Dial (New Arrival)

$9,800 USD
 
Louis Vuitton - Louis Vuitton Green Ceramic Monterey II (New Arrival) - The Keystone Watches

Louis Vuitton Green Ceramic Monterey II (New Arrival)

Louis Vuitton Green Ceramic Monterey II (New Arrival)

$8,800 USD
 

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

Piaget White Gold Altiplano Ref. 90122 with Diamonds and Sapphires (New Arrival)

$17,750 USD
 

Bulgari Yellow Gold Coin Necklace (New Arrival)

Bulgari Yellow Gold Coin Necklace (New Arrival)

$24,500 USD
Shop all New Arrivals Preview

SHOP

  • BY BRAND
  • NEW ARRIVALS
  • HOLY GRAILS
  • 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