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Watch Parts - Watch Plaza

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3735 products

SEIKO 290W42GN00 Hardlex Crystal SMW305J1 - 8123-7160
SEIKO 290W43LN00 Hardlex Crystal 7009-8900
SEIKO 290W45LN00 Hardlex Crystal 7019-8170
SEIKO 290W46ZN01 Hardlex Crystal SBG140J1 - 5H23-8A20
SEIKO 290W48HK01 Hardlex Crystal SBY004J1 - 7F39-8000
SEIKO 290W50GN00 Hardlex Crystal 5Y13-8010
SEIKO 290W53LN00 Hardlex Crystal 5Y22-8A10
SEIKO 290W55LN01 Hardlex Crystal 290W55LN01
SEIKO 290W61HM01 Hardlex Crystal SBH268J1 - 5H23-8190
SEIKO 290W61HN01 Hardlex Crystal 5H23-8010
SEIKO 290W61LN01 Hardlex Crystal 5Y23-8A50
Sold outSEIKO 290W67FA01 Hardlex Crystal SBBN003 - 7C43-7A00
SEIKO 290W68LN01 Hardlex Crystal PPR022P0 - V338-8000
SEIKO 290W69HN01 Hardlex Crystal 5P31-7020
SEIKO 290W69LN01 Hardlex Crystal 5Y22-8A20
SEIKO 290W71FN01 Hardlex Crystal 5H23-8060
SEIKO 290W71FV01 Hardlex Crystal SBH160J1 - 5H23-8070
SEIKO 290W75FM03 Hardlex Crystal SBR029J1 - 8S23-6090
SEIKO 290W87LN01 Hardlex Crystal 7009-3170
SEIKO 290W91JN01 Hardlex Crystal 5Y31-8A20
SEIKO 290W93HK01 Hardlex Crystal SCY064J1 - 5Y22-8A70
SEIKO 290W97HK01 Hardlex Crystal SEQ001J1 - 8M35-8000
Sold outSEIKO 290W97HN01 Hardlex Crystal
SEIKO 290WA0HB01 Hardlex Crystal 7T32-0AB0
SEIKO 290WA0HB0A Hardlex Crystal SHF009J1 - 5M23-6A00
SEIKO 290WA0HN01 Hardlex Crystal 5M23-6A00
SEIKO 290WA0LN01 Hardlex Crystal V532-7F60
SEIKO 290WA0ZN01 Hardlex Crystal SBG135J1 - 5H23-8A70
SEIKO 290WA1HK01 Hardlex Crystal SCS022J1 - 6F25-8000
SEIKO 290WA2HM01 Hardlex Crystal SCZ041J1 - 5Y23-8010
SEIKO 290WA2HN01 Hardlex Crystal 5H23-8B00
SEIKO 290WA2LN01 Hardlex Crystal 5Y22-8000
SEIKO 290WA4HN01 Hardlex Crystal 5Y23-8020
Sold outSEIKO 290WA5HN01 Hardlex Crystal 8M32-8010
SEIKO 290WA6JM02 Hardlex Crystal SCZ027J0 - 5Y23-8039
SEIKO 290WA6LN01 Hardlex Crystal V329-7000
SEIKO 290WA8SN03 Sapphire Crystal 290WA8SN03
Sold outSEIKO 290WB0SN01 Sapphire Crystal 5A54-0159
SEIKO 290WB2HK01 Hardlex Crystal SCZ426P1 - 5Y23-8289
SEIKO 290WB6JU01 Hardlex Crystal SDF288J1 - 5Y39-7190
Sold outSEIKO 290WB8SN01 Sapphire Crystal 5780-6000
Sold outSEIKO 290WC0SN02 Sapphire Crystal SCDZ007 - 5M45-6A10
SEIKO 290WC6HE01 Hardlex Crystal SCZ416P1 - 5Y23-8260
SEIKO 290WD0HN01 Hardlex Crystal SDW102J1 - 7T32-6B90
SEIKO 290WD2JN01 Hardlex Crystal SHF026J1 - 5M23-6A80
SEIKO 290X05JN02 Hardlex Crystal SGQ028J1 - 6M25-6010
Sold outSEIKO 290X07HN03 Hardlex Crystal SGQ012J1 - 6M25-6000
Sold outSEIKO 290X21HN03 Hardlex Crystal SLL107P1 - 8F32-0220

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.