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

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

Patek Philippe Yellow Gold Perpetual Calendar Watch Ref. 3940

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

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Chronograph Watch Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Sold Out

 
Patek Philippe - Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180 - The Keystone Watches

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

Patek Philippe White Gold Skeletonized Ultra-Thin Watch Ref. 5180

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co. - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co.

Patek Philippe Yellow Gold Calatrava Watch Ref. 3919 Retailed By Tiffany & Co.

Sold Out

 
Patek Philippe - Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe White Gold Perpetual Calendar Watch Ref. 5270

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5970

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 - Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR - The Keystone Watches

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Patek Philippe White & Rose Gold Nautilus Moonphase Watch Ref. 5712GR

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe White Gold World Time NY Edition Watch Ref. 5230 - The Keystone Watches

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Patek Philippe White Gold World Time NY Edition Watch Ref. 5230

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167 - The Keystone Watches

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

Patek Philippe Stainless Steel Aquanaut Jumbo Watch Ref. 5167

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 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 - Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468 - The Keystone Watches

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Patek Philippe Yellow Gold Calatrava Tiffany & Co Watch Ref. 3468

Sold Out

 
Patek Philippe - Patek Philippe Stainless Steel Waterproof Watch Ref. 3579 - The Keystone Watches

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Patek Philippe Stainless Steel Waterproof Watch Ref. 3579

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 3796 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Patek Philippe Rose Gold Calatrava Watch Ref. 3796

Sold Out

 
Patek Philippe - Patek Philippe Steel Aquanaut Watch Ref. 5167 - The Keystone Watches

Patek Philippe Steel Aquanaut Watch Ref. 5167

Patek Philippe Steel Aquanaut Watch Ref. 5167

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 Aquanaut Travel Time Watch Ref. 5164a - The Keystone Watches

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Patek Philippe Aquanaut Travel Time Watch Ref. 5164a

Sold Out

 
Patek Philippe - Patek Philippe White Gold Calatrava Strap Watch Ref. 3919 - The Keystone Watches

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Patek Philippe White Gold Calatrava Strap Watch Ref. 3919

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G - The Keystone Watches

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Patek Philippe White Gold Annual Calendar Regulator Watch Ref. 5235G

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Calatrava Watch Ref. 5196 - The Keystone Watches

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Patek Philippe Rose Gold Calatrava Watch Ref. 5196

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5712/1A

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990 - The Keystone Watches

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Patek Philippe Nautilus Travel Time Chronograph Watch Ref. 5990

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270 - The Keystone Watches

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5270

Sold Out

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

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

Patek Philippe White Gold Annual Calendar Watch Ref. 5205

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 Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

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

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Patek Philippe Yellow Gold Annual Calendar Watch Ref. 5146

Sold Out

 
Patek Philippe - Patek Philippe Nautilus Chronograph Black Watch Ref. 5980 - The Keystone Watches

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Patek Philippe Nautilus Chronograph Black Watch Ref. 5980

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R - The Keystone Watches

Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R

Patek Philippe Rose Gold Nautilus Watch Ref. 5711/1R

Sold Out

 
Patek Philippe - Patek Philippe White Gold Annual Calendar Watch Ref. 5036 - The Keystone Watches

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

Patek Philippe White Gold Annual Calendar Watch Ref. 5036

Sold Out

 
Patek Philippe - Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R - The Keystone Watches

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

Patek Philippe Rose Gold Aquanaut Travel Time Watch Ref. 5164R

Sold Out

 
Patek Philippe - Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800

Sold Out

  • ​
  • 1
  • …
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • ​
New Arrivals Preview
 
Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

Rolex Yellow Gold Day-Date Watch Ref. 1803 with Claw Dial (New Arrival)

$18,750 USD
 
Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

Rolex Steel Milgauss Ref. 1019 (New Arrival)

$23,500 USD
 
Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

Vacheron Constantin Rose Gold Watch with Pink Dial (New Arrival)

$8,000 USD
 
Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

Patek Philippe Yellow Gold Nautilus Watch Ref. 3800 (New Arrival)

$78,000 USD
 
Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

Patek Philippe Yellow Gold Pocket Watch Ref 770 Retailed by Gubelin (New Arrival)

$7,800 USD
 
Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

Boucheron Yellow Gold Invisible Set Sapphire Watch (New Arrival)

$9,500 USD
 
Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Box and Papers (New Arrival)

Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Box and Papers (New Arrival)

Patek Philippe Platinum Nautilus Watch Ref. 3800 with Original Box and Papers (New Arrival)

$165,000 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