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Watch Parts - Watch Plaza

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SEIKO 360PC4JN02 Hardlex Crystal 360PC4JN02
SEIKO 360PC4HN02 Hardlex Crystal SNAF63P1 - 7T62-0LJ0
SEIKO 360PC0HN02 Hardlex Crystal SRP701J1 - 4R35-00P0
SEIKO 360PB9JN01 Hardlex Crystal SSB387P1 - 8T67-00N0
SEIKO 360PB8SB0B Sapphire Crystal SNAE95J1 - 7T62-0LA0
SEIKO 360PB7JN02 Hardlex Crystal SUR491J8 - 6N43-00E0
SEIKO 360PB5JN02 Hardlex Crystal SRPC85J1 - 4R35-02W0
SEIKO 360PB2JN02 Hardlex Crystal SNN221P1 - 7T94-0BH0
SEIKO 360PB1LN03 Hardlex Crystal SRP561K1 - 4R36-03M0
SEIKO 360PB0SB0B Sapphire Crystal SPC049P1 - 7T84-0AD0
Sold outSEIKO 360PA9LN03 Hardlex Crystal SNKM83J1 - 7S26-03Z0
Sold outSEIKO 360PA8JN02 Hardlex Crystal SUN029J1 - 5M85-0AC0
SEIKO 360PA7LN03 Hardlex Crystal SRPB25J1 - 4R36-06C0
SEIKO 360PA7HN03 Hardlex Crystal SUR019J1 - 6N76-00C0
SEIKO 360PA5JN03 Hardlex Crystal SRP025K1 - 4R15-00A0
Sold outSEIKO 360PA4HB0B Hardlex Crystal SSC629P9 - V192-0AB0
Sold outSEIKO 360PA3JN03 Hardlex Crystal SNQ087P1 - 6A32-00L0
Sold outSEIKO 360PA2SN02 Sapphire Crystal SRPB03J1 - 4R35-01R0
SEIKO 360PA2SB0B Sapphire Crystal SSC607J1 - V192-0AA0
SEIKO 360PA1JN03 Hardlex Crystal SNKF11K1 - 7S26-02Y0
SEIKO 360PA1HN03 Hardlex Crystal SNQ077P1 - 6A32-00K0
SEIKO 360P31S20A Sapphire Crystal SBER001 - 8A50-00A0
SEIKO 360P23SN02 Sapphire Crystal SRPC79J1 - 4R35-02S0
SEIKO 360P19HN02 Hardlex Crystal SSB221J1 - 8T63-00C0
SEIKO 360P17HN02 Hardlex Crystal SCVE035 - 4R35-01D0
SEIKO 360P12SB0A Sapphire Crystal SBHP015 - 7T82-0AE0
Sold outSEIKO 360AA2HN02 Hardlex Crystal SGEH79J1 - 7N42-0GJ0
Sold outSEIKO 360AA0SN02 Sapphire Crystal SKP391J1 - 7N39-0CA0
Sold outSEIKO 360A03LN02 Hardlex Crystal 360A03LN02
Sold outSEIKO 355P07HN02 Hardlex Crystal NYAE001Y - NH36-0010
SEIKO 350PC5JN01 Hardlex Crystal SCVE059 - 4R35-05J0
Sold outSEIKO 350PC4JN02 Hardlex Crystal SKA745P1 - 5M82-0AY0
SEIKO 350PB9LN02 Hardlex Crystal SKS443J1 - 4T57-00C0
Sold outSEIKO 350PB9HN02 Hardlex Crystal SSB203J1 - 8T68-00A0
SEIKO 350PB7LN03 Hardlex Crystal SRP609J1 - 4R36-03S0
SEIKO 350PB0JN02 Hardlex Crystal SSC439P9 - V175-0DJ0
SEIKO 350PA7SN03 Sapphire Crystal SRP033J1 - 4R16-00D0
SEIKO 350PA7SN02 Sapphire Crystal SSA303J1 - 4R57-00A0
SEIKO 350PA0JN02 Hardlex Crystal SSC431P1 - V172-0AY0
Sold outSEIKO 350PA0HN02 Hardlex Crystal SNAB15P1 - 7T62-0HE0
Sold outSEIKO 350PA0HB0B Hardlex Crystal SSC277P9 - V175-0CL0
Sold outSEIKO 350P53JN02 Hardlex Crystal SCVE013 - 4R35-00K0
SEIKO 350P51HN01 Hardlex Crystal SCVE001 - 4R37-01B0
SEIKO 350P47HN02 Hardlex Crystal NYAB001Y - VD75-0030
SEIKO 350P37S30A Sapphire Crystal SAEH009 - 6S28-00G0
SEIKO 350P29SN02 Sapphire Crystal SRPA17J1 - 4R35-01C0
SEIKO 350P29S30A Sapphire Crystal SDGM001 - 6R15-02W0
SEIKO 350P29S20A Sapphire Crystal SAEC005 - 6R21-00C0

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.