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SEIKO 290P03HN03 Hardlex Crystal SBH019J1 - 5H23-8010
Sold outSEIKO 290P03HV0C Hardlex Crystal SBTC002 - 7N42-8A60
SEIKO 290P03LN02 Hardlex Crystal 7S36-02C0
SEIKO 290P03LN03 Hardlex Crystal SCWA73K - 7009-8880
Sold outSEIKO 290P03SN03 Sapphire Crystal SLL187P1 - 8F32-0420
Sold outSEIKO 290P03TN03 Sapphire Crystal 7N43-8180
Sold outSEIKO 290P03TNC2 Sapphire Crystal 5M42-0E00
Sold outSEIKO 290P03TNC3 Sapphire Crystal SKH184J1 - 5M42-0C40
SEIKO 290P04HN03 Hardlex Crystal SRP239J1 - 4R36-00W0
SEIKO 290P04L20A Hardlex Crystal PBK003P1 - V072-0050
Sold outSEIKO 290P04LN02 Hardlex Crystal 7S26-0260
SEIKO 290P04LN03 Hardlex Crystal 4R36-00W0
SEIKO 290P04SN02 Sapphire Crystal SGEA55P1 - 7N42-0BC0
SEIKO 290P04SN03 Sapphire Crystal 5M63-0B70
Sold outSEIKO 290P04TN03 Mineral Crystal 5M43-0F40
SEIKO 290P04TNC3 Sapphire Crystal SKH169J1 - 5M42-0C20
SEIKO 290P05HN03 Hardlex Crystal 290P05HN03
SEIKO 290P05L50A Hardlex Crystal SKXF75K1 - 7S26-3060
SEIKO 290P05LN03 Hardlex Crystal SCY013J1 - 5Y22-8A10
SEIKO 290P06HN03 Hardlex Crystal SGT234P1 - 5M22-6A90
SEIKO 290P07LN03 Hardlex Crystal 7019-8220
Sold outSEIKO 290P08SR03 Sapphire Crystal SHS034J1 - 7T59-6A30
SEIKO 290P09HN03 Hardlex Crystal 5H23-8010
Sold outSEIKO 290P09LN03 Hardlex Crystal 5Y23-8A50
Sold outSEIKO 290P13SB01 Sapphire Crystal SBGG0031 - 8N65-8000
Sold outSEIKO 290P14SB0A Sapphire Crystal SCDZ009 - 5M45-6A20
Sold outSEIKO 290P19HN03 Hardlex Crystal SGD026J1 - 7N42-6000
Sold outSEIKO 290P20HR02 Hardlex Crystal SBBP033 - 7T32-7D60
Sold outSEIKO 290P25SN01 Sapphire Crystal SCVK001 - 4S35-8000
SEIKO 290P21LN02 Hardlex Crystal SDS009K1 - 7002-8000
Sold outSEIKO 290P30JR03 Hardlex Crystal STQ001P1 - 5J21-0A70
Sold outSEIKO 290P33LN03 Hardlex Crystal APAN017 - V743-8000
SEIKO 290P34JZ0C Hardlex Crystal SMA007P1 - 5J22-0A10
SEIKO 290P38HB0A Hardlex Crystal SKA198P1 - 5M62-0AK0
SEIKO 290P38HC0B Hardlex Crystal SCBS007 - 6R15-00P0
SEIKO 290P38HC0A Hardlex Crystal SCBS005 - 6R15-00J0
SEIKO 290P38HN02 Hardlex Crystal SMA101J1 - 5J22-0C10
Sold outSEIKO 290P38HN03 Hardlex Crystal 5J22-0C10
SEIKO 290P38S20A Sapphire Crystal SAGM009 - 8F32-00N0
Sold outSEIKO 290P45L20A Hardlex Crystal PJN035P1 - V657-6030
Sold outSEIKO 290P45L20C Hardlex Crystal PJN039P1 - V657-6030
Sold outSEIKO 290P45L20B Hardlex Crystal PJN037P1 - V657-6030
Sold outSEIKO 290P45L20D Hardlex Crystal PJN041P1 - V657-6030
Sold outSEIKO 290P45L20H Hardlex Crystal PJN129P1 - V657-6130
SEIKO 290P50LB0B Hardlex Crystal PAR061P1 - YT57-0AE0
SEIKO 290P50LR03 Hardlex Crystal PAR059P1 - YT57-0AD0
Sold outSEIKO 290P56HN03 Hardlex Crystal SKH601J1 - 5M42-0J20
SEIKO 290P52LN03 Hardlex Crystal PG6003P1 - 7N36-0AB0

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.