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Sold outSEIKO 300WG4JK01 Hardlex Crystal SDW067J1 - 7T32-6B60
SEIKO 300WG6JK01 Hardlex Crystal SDX049J1 - 7T42-6A60
Sold outSEIKO 300WG6LR03 Hardlex Crystal ASSA001 - Y182-6A80
Sold outSEIKO 300WG8SN01 Sapphire Crystal SDW158J0 - 7T32-6C70
Sold outSEIKO 300WR4LN01 Hardlex Crystal PFA274P0 - Y147-9000
SEIKO 300X05HN02 Hardlex Crystal SLL131J1 - 8F32-0280
SEIKO 300X07SN02 Sapphire Crystal SAGM001 - 8F32-0320
SEIKO 300X09H202 Hardlex Crystal SBCM013 - 8F32-0350
SEIKO 300X11H20C Hardlex Crystal SLL205P1 - 8F32-00E0
SEIKO 300X11H20D Hardlex Crystal SLL201P1 - 8F32-00E0
SEIKO 300X11H20E Hardlex Crystal SLL199P1 - 8F32-00E0
SEIKO 300X17SN02 Sapphire Crystal SRP319K1 - 4R36-01W0
Sold outSEIKO 300X21HN02 Hardlex Crystal SBDC023 - 6R15-02X0
SEIKO 300XA3SN02 Sapphire Crystal SNZE03K1 - 7S36-02F0
Sold outSEIKO 300XA7HN02 Hardlex Crystal SRPC35J1 - 4R35-01Y0
SEIKO 305W18GA00 Hardlex Crystal Y513-600H
SEIKO 305W18GN00 Hardlex Crystal SMW027J1 - 8123-6040
SEIKO 305W19LK01 Hardlex Crystal PLU012J1 - V601-0040
SEIKO 305W20GN00 Hardlex Crystal SDE464K - 6309-6060
Sold outSEIKO 305W24FA01 Hardlex Crystal SSAD048 - H558-5020
Sold outSEIKO 310A02SN02 Sapphire Crystal SPL003J1 - 5T82-0AB0
SEIKO 310A03JN02 Hardlex Crystal 6M25-0010
Sold outSEIKO 310A03SN02 Sapphire Crystal SRL001P9 - 6G34-00A0
SEIKO 310A03LN03 Hardlex Crystal CDC260 - 2220-0430
SEIKO 310A04JN02 Hardlex Crystal SGN011P1 - 5Y86-0AA0
SEIKO 310AB0SN02 Sapphire Crystal SKP343J1 - 7N39-0BS0
SEIKO 310AB6HN02 Hardlex Crystal SGEE59P1 - 7N42-0EH0
SEIKO 310AB6JN02 Hardlex Crystal SNE127P1 - V157-0AD0
SEIKO 310AB8JN02 Hardlex Crystal SGEF49J1 - 7N42-0FC0
SEIKO 310AC0SN02 Sapphire Crystal SKP369J1 - 7N39-0BX0
SEIKO 310N05GN00 Hardlex Crystal 310N05GN00
SEIKO 310N07JN00 Hardlex Crystal 2G28-0010
SEIKO 310N50LN01 Hardlex Crystal 7N01-0A30
SEIKO 310P01HN03 Hardlex Crystal 6M15-7030
Sold outSEIKO 310P01L20A Hardlex Crystal SNKH93J1 - 7S26-03L0
Sold outSEIKO 310P01L20B Hardlex Crystal SNKH95J1 - 7S26-03L0
SEIKO 310P01L70A Hardlex Crystal SKX393K1 - 7S26-0140
SEIKO 310P01LN03 Hardlex Crystal SJC048J1 - 6M15-7030
Sold outSEIKO 310P02HN03 Hardlex Crystal 7T32-7D00
Sold outSEIKO 310P02JN02 Hardlex Crystal 7T92-0BA0
SEIKO 310P02L30A Hardlex Crystal SKX785J1 - 7S26-0360
SEIKO 310P02L40B Hardlex Crystal SKX793J1 - 7S26-0370
SEIKO 310P02L50B Hardlex Crystal SKX185K1 - 7S26-0090
SEIKO 310P02L70A Hardlex Crystal SNX785J1 - 7S26-00G0
Sold outSEIKO 310P02LN02 Hardlex Crystal SDE245P1 - 6309-7080
Sold outSEIKO 310P02LN03 Hardlex Crystal 7S36-00Z0
SEIKO 310P02S20A Sapphire Crystal SNZ437J1 - 7S36-00N0
SEIKO 310P02S20C Sapphire Crystal SNZ433J1 - 7S36-00N0

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.