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Watch Parts - Watch Plaza

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3740 products

Sold outCitizen 389 - 2691 Bezel 3660 - 351975 - Watch Plaza
Sold outSeiko A944401A61 Watch Case A944 - 401A Sports 150 - Watch Plaza
Sold outSeiko 7A38704C6B Watch Case 7A38 - 704C SQ Sports 100 - Watch Plaza
Sold outSave $161.00Seiko 7A38704B6B Watch Case 7A38 - 704B Giugiaro Design SQ Sports 100 - WatchPlaza
Sold outSeiko A829601961A Watch Case A829 - 6010 NASA Astronaut Sports 100 - Watch Plaza
Sold outSeiko 4R3600V002D Watch Case SRP229 Superior Baby Tuna - Watch Plaza
Sold outSeiko 86311145 Bezel 5G23 - 8020 Black & Gold SCG012 Sports 150 - Watch Plaza
Sold outSeiko 85943124 Bezel SLQ021 Sportura Honda F1 Racing Team 9T82 - 0AG0 - Watch Plaza
Sold outSeiko 86013295 Bezel 7T32 - 6C00 Gold SDW124 Sports 150 - Watch Plaza
Sold outSeiko 86015939 Bezel SNK031 5 Sports 7S26 - 01G0 / 7S36 - 00L0 - Watch Plaza
Sold outSeiko 86312065 Bezel V742 - 8A00 Black & Gold SJT044, SJT026 SQ 100 - Watch Plaza
Sold outSeiko 86012375 Bezel 3E25 - 0A50 / 7N85 - 0030 Gold Scuba Diver SXW004 / SW016 - Watch Plaza
Sold outSeiko 86311949 Bezel 7N85 - 0A00 Stainless Steel SWM001P1 - Watch Plaza
Sold outSeiko 8601659G Black Bezel SRPC49 / SBDY005 Prospex Black Series 4R36 - 06L0 - Watch Plaza
Sold outSave $7.00Seiko 87330325 Blue Bezel 7T62 - 0GX0 - SNAA43J1, SNAA43P1 - Watch Plaza
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Sold outSeiko 87061275 Bezel SKZ322 Shurikane Limited 7S36 - 04W0 - Watch Plaza
Sold outSeiko 87060799 Grey Bezel SNZG35, SNZG37, SNZG39, SZNG43, SNZG45, SNZG49 5 Sports 7S36 - 03M0 - Watch Plaza
Sold outSeiko 86311645 Pepsi Bezel 5M23 - 6B50 - SHF047 Kinetic Sports 150 Diver - Watch Plaza
Sold outGuess Collection Diver Chic I29002L1 / I29003L1 butterfly clasp stainless steel 10mm - Watch Plaza
Sold outSeiko 6139 6040 / 6041 black chapter ring WAH105 / WAH107 original 83071514 - Watch Plaza
Sold outSEIKO SPORTS 150 BEZEL H601 0020 0029 ORIGINAL SBJ203J1 SBJ125 BABY ARNIE - Watch Plaza
Sold outSave $54.00Seiko 1E65D7SNS0 Crown SPB475J1
Seiko
Seiko 1E65D7SNS0 Crown SPB475J1 Sale price$81.00 Regular price$135.00
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Save $13.00Seiko 1FX085FJBY2 Hour Hand SPB105J1
Seiko
Seiko 1FX085FJBY2 Hour Hand SPB105J1 Sale price$21.00 Regular price$34.00
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Sold outSave $41.00Seiko 6R5400A0XB13 Dial SPB379J1 Prospex Land GMT Black
Seiko
Seiko 6R5400A0XB13 Dial SPB379J1 Prospex Land GMT Black Sale price$162.00 Regular price$203.00
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SEIKO 390PA1JN01 Hardlex Crystal SSB363P1 - 8T63-00H0
SEIKO 380PA7JN01 Hardlex Crystal SSA381J1 - 4R37-01H0
Sold outSEIKO 370P25HN02 Hardlex Crystal SRPD31J1 - 4R36-07A0
SEIKO 360PC2JN02 Hardlex Crystal SKA623P9 - 5M82-0AG0
Sold outSEIKO 360PB3JN02 Hardlex Crystal SUR269J1 - 6N76-00H0
SEIKO 360PA4HN02 Hardlex Crystal SKA657P1 - 5M62-00F0
Sold outSEIKO 350PC1LN03 Hardlex Crystal SNKN85J1 - 7S26-04M0
SEIKO 350PC0HN02 Hardlex Crystal SRW033P1 - 7T12-0AR0
SEIKO 350PB3LN03 Hardlex Crystal SRP151J1 - 4R36-00E0
SEIKO 350PA6JN02 Hardlex Crystal SKS601P1 - 4T53-00C0
SEIKO 350P13H20B - 350P13H20C Hardlex Crystal SJP006P1 - H021-7001
SEIKO 350P02LN03 Hardlex Crystal PJN063P1 - V657-7070
Sold outSEIKO 320W42GN00 Hardlex Crystal 7A28-6000
SEIKO 320W40GN00 Hardlex Crystal 7A28-7020
SEIKO 320PX6HN03 Hardlex Crystal SRPB09J1 - 4R35-01S0
Sold outSEIKO 320PC2HN02 Hardlex Crystal SKA383J2 - 5M62-0BR0
SEIKO 320PA7JN03 Hardlex Crystal SBSA111 - 4R36-10A0
Sold outSEIKO 320P13HN02 Hardlex Crystal SHE002J1 - 6M13-0010
SEIKO 320P02SD0B Sapphire Crystal SAGV017 - 7D46-0AE0
Sold outSEIKO 315XA5JN01 Hardlex Crystal SBSC001 - 4R34-00A0
Sold outSEIKO 315P25JN02 Hardlex Crystal SRPF60K1 - 4R36-09R0
SEIKO 310W34GN00 Hardlex Crystal FCS050 - 6306-8020
SEIKO 310PC7HN01 Hardlex Crystal SBDY129 - 4R35-06K0
Sold outSEIKO 310PB2HN02 Hardlex Crystal SND469P1 - 7T92-0ET0

Genuine Watch Parts & Components for Seiko, Citizen, and More – Available at WatchPlaza

Welcome to WatchPlaza, your trusted source for authentic replacement watch parts for Seiko, Citizen, and other leading watch brands. Whether you're a professional watchmaker, a collector, or a DIY enthusiast, you'll find a vast and carefully curated selection of genuine parts to repair, restore your watch with confidence.

🔧 What You'll Find in Our Watch Parts Collection

We stock thousands of new and original spare parts, with a primary focus on Seiko watches. Our catalog includes both modern and vintage components for a wide range of models, including mechanical, automatic, and quartz timepieces.

You can shop the following categories:

  • Dials – Classic, modern, diver-style, and limited edition watch dials

  • Bezels & Lunettes – Including complete bezel assemblies and bezel inserts

  • Hands (Pointers) – Hour, minute, and second hands in various designs and lume types

  • Chapter Rings & Dial Rings – For precise alignment and aesthetic enhancement

  • Watch Cases – Complete case sets or individual case components

  • Crowns & Stems – For setting time and winding the movement

  • Crystals – Flat, domed, or curved glass in sapphire, Hardlex, or mineral

  • Movements – Complete calibers and individual components (e.g., rotors, bridges, wheels)

  • Shrouds / Case Protectors – Often used in diver or sports models

  • Click Springs & Ratchets – Key parts for rotating bezels and mechanical functions

  • Gaskets / O-Rings – Ensure water resistance and case sealing

  • Pins & Spring Bars – To attach straps or bracelets securely

  • Screws, Pushers, Battery Covers – Small but essential components for fine repairs

  • Watch Straps & Bracelets – Leather, rubber, steel, and titanium options

We’re continuously adding new stock, so be sure to check back often for updates.


🧭 Understanding Watch Parts: The Anatomy of a Timepiece

Every wristwatch, no matter how simple or advanced, consists of multiple interdependent components. Here's a breakdown of the most essential ones:

1. Movement / Caliber

The movement is the internal engine of the watch, responsible for keeping accurate time and powering additional features. Movements may be:

  • Quartz – Battery-powered and extremely accurate

  • Mechanical – Powered by a mainspring and regulated by a balance wheel

  • Automatic – Self-winding via the wearer's motion

  • Spring Drive (Seiko) – A unique hybrid combining quartz regulation with mechanical power

2. Dial (Watch Face)

The dial shows the time and often includes:

  • Hour markers, subdials, and date windows

  • Decorative elements such as sunburst finishes, textures, or applied indices

3. Hands

Available in various shapes and finishes (sword, dauphine, baton, etc.), watch hands indicate the time and can reflect the design era or type (diver, dress, pilot).

4. Case

The case protects the movement and other internal components. Materials vary from:

  • Stainless steel

  • Titanium

  • Ceramic

  • Plastic or resin (in sport watches)

5. Crystal

The transparent cover that protects the dial. Options include:

  • Hardlex – A hardened mineral crystal developed by Seiko

  • Sapphire – Extremely scratch-resistant

  • Acrylic – Lightweight and shatter-resistant

6. Crown

Located on the side of the case, the crown allows users to wind the watch, set the time, and, in some models, adjust complications.

7. Case Back & Gaskets

Often screwed or snapped on, the case back includes gaskets to ensure water resistance. Transparent case backs reveal the movement in display models.

8. Straps / Bracelets

Connect the watch to your wrist. Common materials include:

  • Leather (smooth, crocodile, suede)

  • Stainless steel (Oyster, Jubilee, mesh)

  • Rubber or silicone (ideal for sports and diving)

  • NATO and Zulu (durable, military-style options)


🕰️ Most Essential Watch Parts for Functionality

While all parts are important, the following are particularly crucial for a functioning, wearable watch:

  • Movement / Caliber – The heart of the watch

  • Dial & Hands – For time display and aesthetic identity

  • Crystal – Protects the dial and hands

  • Crown – For manual control of time and date

  • Case – The housing that secures everything

  • Strap or Bracelet – Keeps the watch on your wrist


📦 Where to Buy Watch Parts

1. Online Retailers

Reputable sites like WatchPlaza.com specialize in brand-specific watch parts. We offer a secure shopping experience, fast worldwide shipping, and verified original parts.

2. Watchmakers & Repair Shops

Watch repair professionals often have access to rare or discontinued parts, especially for vintage models.

3. Authorized Brand Service Centers

If you own a luxury or high-end model, always go through the brand's authorized service center to preserve authenticity and warranty.

4. Auction Platforms (with caution)

Websites like eBay may offer rare components, but always verify the seller’s reputation and part authenticity.

5. Salvage or Vintage Markets

Useful for finding hard-to-source or discontinued components, but be wary of quality and condition. 


🔍 What You Can Get at WatchPlaza

At WatchPlaza.com, we focus heavily on Seiko parts, offering everything from:

  • 6R15, 4R35, NH35, NE15 movements

  • SARB, SKX, Sumo, Turtle, Samurai and other iconic model components

  • Bezel inserts, chapter rings, crown tubes, movement spacers, and more

We also stock:

  • Citizen parts, including Eco-Drive movements, dials, crystals, and crowns

  • Select parts for Breil, Pulsar, Lorus, Diesel, Fossil, Armani, Casio, Burberry, DKNY, Zodiac, Michael Kors, Guess, and others


📩 Can’t Find What You’re Looking For?

If a specific part is not listed, feel free to contact us directly with a product request. Our team will do its best to locate or suggest a suitable alternative from our extensive inventory.