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SEIKO 345W02JK01 Hardlex Crystal SFG002J1 - 7M45-6A00
Sold outSEIKO 340PE0JN02 Hardlex Crystal SSC703P1 - V176-0BA0
SEIKO 340PD6HN02 Hardlex Crystal SCXP072 - 7N01-0JR0
SEIKO 340PD5JN02 Hardlex Crystal SUR402J8 - 6N52-00C0
Sold outSEIKO 340PD4JN02 Hardlex Crystal SMY147P1 - 5M83-0AB0
SEIKO 340PD3JN02 Hardlex Crystal SRPC09J1 - 4R36-06F0
Sold outSEIKO 340PD2HN02 Hardlex Crystal SNDF35P1 - 7T92-0RD0
Sold outSEIKO 340PD1LN02 Hardlex Crystal SRPA87J1 - 4R35-01M0
SEIKO 340PC9LN02 Hardlex Crystal SRPA59J1 - 4R36-05P0
Sold outSEIKO 340PC7LN03 Hardlex Crystal SRP793J1 - 4R36-05A0
SEIKO 340PC6JN02 Hardlex Crystal SNAC05J1 - 7T62-0HW0
Sold outSEIKO 340PC5LN03 Hardlex Crystal 340PC5LN03
Sold outSEIKO 340PC5LN02 Hardlex Crystal SRPB87J1 - 4R35-02D0
SEIKO 340PC4SN02 Sapphire Crystal SRX003J1 - 5D88-0AA0
SEIKO 340PC4SB0B Sapphire Crystal SUN015J1 - 5M85-0AA0
SEIKO 340PC1LN03 Hardlex Crystal SSA165J1 - 4R37-00T0
SEIKO 340PB8JN02 Hardlex Crystal SNAC47P1 - 7T62-0JD0
SEIKO 340PB6HN02 Hardlex Crystal SUN009P9 - 5M65-0AC0
Sold outSEIKO 340PB4HN02 Hardlex Crystal SZLJ160 - 7N01-HBN0
SEIKO 340PB2HN02 Hardlex Crystal SKA703P9 - 5M82-0AR0
SEIKO 340PB0SN02 Sapphire Crystal SRG007J1 - 5D22-0AD0
SEIKO 340PA7SN03 Sapphire Crystal SRPA13J1 - 4R35-01A0
Sold outSEIKO 340PA7S20A Sapphire Crystal SARX043 - 6R15-03S0
SEIKO 340PA6LN03 Hardlex Crystal SUR141P1 - 6N42-00F0
SEIKO 340PA5HN02 Hardlex Crystal SNZH61J1 - 7S36-04H0
SEIKO 340PA3JN03 Hardlex Crystal SRP009J1 - 4R16-00B0
SEIKO 340PA1HN02 Hardlex Crystal SZER092 - 7T92-HCN0
Sold outSEIKO 340PA0LN03 Hardlex Crystal 340PA0LN03
SEIKO 340PA0JN02 Hardlex Crystal SRPC61J1 - 4R36-06N0
SEIKO 340P73S20A Sapphire Crystal SARX115 - 6R55-00E0
SEIKO 340P72SB0A Sapphire Crystal SAGG019 - 5D88-0AB0
SEIKO 340P60LN03 Hardlex Crystal PF3049X1 - 7T62-X009
Sold outSEIKO 340P58LN03 Hardlex Crystal PF3119X1 - 7T62-X029
Sold outSEIKO 340P58HN02 Hardlex Crystal SNA303P1 - 7T62-0CP0
SEIKO 340P57S20A Sapphire Crystal SARX049 - 6R15-03V0
SEIKO 340P55S20A Sapphire Crystal SBEJ001 - 6R64-00A0
SEIKO 340P47SN02 Sapphire Crystal SARX021 - 6R15-02Y0
SEIKO 340P47S20A Sapphire Crystal SARX029 - 6R15-03E0
Sold outSEIKO 340P45HN02 Hardlex Crystal SRP585P9 - 4R36-03P0
SEIKO 340P43SN01 Sapphire Crystal SARG009 - 6R15-02R0
SEIKO 340P27S20A Sapphire Crystal SARX053 - 6R15-03V0
SEIKO 340P25SN02 Sapphire Crystal SPB007J1 - 6R15-00F0
SEIKO 340P25SB0A Sapphire Crystal SBXD013 - 3X62-0AA0
SEIKO 340P25S20A Sapphire Crystal SRH001J1 - 5D44-0AA0
SEIKO 340P21HN02 Hardlex Crystal FBNR997 - Y675-00E0
SEIKO 340P18SB0A Sapphire Crystal 340P18SB0A
SEIKO 340P15SN02 Sapphire Crystal SARX003 - 6R15-02F0
SEIKO 340P15S30A Sapphire Crystal SBDR001 - H023-0020

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.