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SEIKO 300PX6HN02 Hardlex Crystal SNE107P1 - V158-0AE0
Sold outSEIKO 300PX6LN03 Hardlex Crystal 300PX6LN03
Sold outSEIKO 300PX6HN03 Hardlex Crystal SKZ245J1 - 7S36-02S0
SEIKO 300PX6S20A Sapphire Crystal SBDC011 - 6R15-01W0
SEIKO 300PX6TN03 Mineral Crystal 7T62-0DE0
SEIKO 300PX6TNC3 Mineral Crystal SBBP071 - 7T32-7H40
Sold outSEIKO 300PX7JN02 Hardlex Crystal SNZE77J1 - 7S36-02P0
SEIKO 300PX7JN03 Hardlex Crystal SKA011J1 - 5M62-0A10
Sold outSEIKO 300PX7TNC3 Mineral Crystal SDWB83P1 - 7T32-7D79
SEIKO 300R06GNG0 Hardlex Crystal WCR002J1 - 4100-9007
SEIKO 300R06GNS0 Hardlex Crystal WCR001J1 - 4100-9007
SEIKO 300R12GNG0 Hardlex Crystal WCR034J1 - 4100-9029
SEIKO 300R12GNS0 Hardlex Crystal WCR033J1 - 4100-9029
SEIKO 300R20GNG0 Hardlex Crystal WFE026J1 - 7810-9009
Sold outSEIKO 300V31GCSF Hardlex Crystal 7019-7270
SEIKO 300V16GNS0 Hardlex Crystal XX38037020 - 3803-7020
SEIKO 300V42GAS Hardlex Crystal 300V42GAS
SEIKO 300V42GAS0 Hardlex Crystal XX38237040 - 3823-7040
SEIKO 300V42GNS0 Hardlex Crystal 300V42GNS0
Sold outSEIKO 300W69GA00 Hardlex Crystal 5856-7010
SEIKO 300W77HC0F Hardlex Crystal WFY217P1 - 7123-8399
Sold outSEIKO 300W79LN00 Hardlex Crystal 7009-8600
Sold outSEIKO 300W87LN01 Hardlex Crystal V601-0010
SEIKO 300W81LN00 Hardlex Crystal SCW801K - 7009-8630
SEIKO 300W89LN01 Hardlex Crystal V041-0010
Sold outSEIKO 300W95LN01 Hardlex Crystal 8S23-6100
SEIKO 300W97LK01 Hardlex Crystal PF8009X - 7T92-X003
SEIKO 300WA1JN01 Hardlex Crystal 7F18-9A00
SEIKO 300WA4GA00 Hardlex Crystal QNF040 - 4823-8050
SEIKO 300WC2GN00 Hardlex Crystal 6309-6040
SEIKO 300WC4GC0F Hardlex Crystal PJG019P1 - Y513-8089
SEIKO 300WC8GN00 Hardlex Crystal SQFR058 - 8223-6000
SEIKO 300WD2GN00 Hardlex Crystal SMW075J1 - 8123-8000
Sold outSEIKO 300WD0GN00 Hardlex Crystal SDE669K - 6309-7160
SEIKO 300WD4GN00 Hardlex Crystal PNR087J1 - Y113-6149
SEIKO 300WD6GN00 Hardlex Crystal 7A38-6080
Sold outSEIKO 300WD8GA00 Hardlex Crystal 3002-300W
Sold outSEIKO 300WD8GN00 Hardlex Crystal PNQ065J1 - Y112-6019
SEIKO 300WE4GN00 Hardlex Crystal 8122-800A
SEIKO 300WE6GN00 Hardlex Crystal SMV017J1 - 8122-8000
SEIKO 300WF0GN00 Hardlex Crystal 7A28-7120
SEIKO 300WF2FK01 Hardlex Crystal SAA071J1 - 7A38-6060
SEIKO 300WF4FM02 Hardlex Crystal SDW023J1 - 7T32-6A9A
Sold outSEIKO 300WF4FN01 Hardlex Crystal SBBZ001 - 7T27-6A00
SEIKO 300WG0JH01 Hardlex Crystal SXL778J1 - 5Y95-6070
SEIKO 300WG2LN01 Hardlex Crystal 5Y23-6000
SEIKO 300WF4HN01 Hardlex Crystal SCZ043J1 - 5Y23-6000
Sold outSEIKO 300WG4JK01 Hardlex Crystal SDW067J1 - 7T32-6B60

Genuine Watch Parts & Components for Seiko, Citizen, and More โ€“ 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.

๐Ÿ”ง 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 โ€“ Classic, modern, diver-style, and limited edition watch dials

  • Bezels & Lunettes โ€“ Including complete bezel assemblies and bezel inserts

  • Hands (Pointers) โ€“ Hour, minute, and second hands in various designs and lume types

  • Chapter Rings & Dial Rings โ€“ For precise alignment and aesthetic enhancement

  • Watch Cases โ€“ Complete case sets or individual case components

  • Crowns & Stems โ€“ For setting time and winding the movement

  • Crystals โ€“ Flat, domed, or curved glass in sapphire, Hardlex, or mineral

  • Movements โ€“ Complete calibers and individual components (e.g., rotors, bridges, wheels)

  • Shrouds / Case Protectors โ€“ Often used in diver or sports models

  • Click Springs & Ratchets โ€“ Key parts for rotating bezels and mechanical functions

  • Gaskets / O-Rings โ€“ Ensure water resistance and case sealing

  • Pins & Spring Bars โ€“ To attach straps or bracelets securely

  • Screws, Pushers, Battery Covers โ€“ Small but essential components for fine repairs

  • Watch Straps & Bracelets โ€“ Leather, rubber, steel, and titanium options

Weโ€™re continuously adding new stock, so be sure to check back often for updates.


๐Ÿงญ 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 โ€“ Battery-powered and extremely accurate

  • Mechanical โ€“ Powered by a mainspring and regulated by a balance wheel

  • Automatic โ€“ Self-winding via the wearer's motion

  • Spring Drive (Seiko) โ€“ 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 โ€“ A hardened mineral crystal developed by Seiko

  • Sapphire โ€“ Extremely scratch-resistant

  • Acrylic โ€“ 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)


๐Ÿ•ฐ๏ธ Most Essential Watch Parts for Functionality

While all parts are important, the following are particularly crucial for a functioning, wearable watch:

  • Movement / Caliber โ€“ The heart of the watch

  • Dial & Hands โ€“ For time display and aesthetic identity

  • Crystal โ€“ Protects the dial and hands

  • Crown โ€“ For manual control of time and date

  • Case โ€“ The housing that secures everything

  • Strap or Bracelet โ€“ Keeps the watch on your wrist


๐Ÿ“ฆ 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 sellerโ€™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.ย 


๐Ÿ” 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


๐Ÿ“ฉ Canโ€™t Find What Youโ€™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.