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Watch Parts - Watch Plaza

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SEIKO 300P44SN03 Sapphire Crystal SNA014B1 - 7T62-0B00
SEIKO 300P46SN02 Sapphire Crystal 7T62-0B00
SEIKO 300P49S20A Sapphire Crystal SATF001 - 8F56-0140
SEIKO 300P50LB03 Hardlex Crystal RPX059P1 - V533-9A20
SEIKO 300P52LN03 Hardlex Crystal N945-6A10
SEIKO 300P53HN03 Hardlex Crystal SRP307J1 - 4R36-01J0
SEIKO 300P53SN03 Sapphire Crystal SKZ213K1 - 7S36-01G0
Sold outSEIKO 300P62LZ0C Hardlex Crystal PCC001P1 - V707-0A40
Sold outSEIKO 300P62LZ0D Hardlex Crystal PCC003P1 - V707-0A40
SEIKO 300P65S20A Sapphire Crystal SAGN006 - 4S27-00A0
SEIKO 300P66LN03 Hardlex Crystal PJN189P1 - V657-0A50
SEIKO 300P68LN03 Hardlex Crystal PF3067X1 - 7T62-X012
SEIKO 300P71S20A Sapphire Crystal SAGN009 - 4S27-00C0
SEIKO 300P72SB0A Sapphire Crystal SAGJ001 - 7J21-0AA0
SEIKO 300P79HN02 Hardlex Crystal SARB047 - 6R15-01F0
SEIKO 300P81S20A Sapphire Crystal SBDC109 - 6R35-00T0
SEIKO 300P83S20A Sapphire Crystal SBDC101 - 6R35-00P0
SEIKO 300P85S20A Sapphire Crystal SBDC125 - 6R35-01E0
Sold outSEIKO 300P87S20A Sapphire Crystal SBDC171 - 6R35-01Z0
SEIKO 300PA1JN02 Hardlex Crystal SNZG35J1 - 7S36-03M0
Sold outSEIKO 300PA1LN01 Hardlex Crystal 300PA1LN01
SEIKO 300PA1LN02 Hardlex Crystal SNZD05J1 - 7S36-01X0
SEIKO 300PA1SN02 Sapphire Crystal SNG075P1 - 5J32-0AT0
SEIKO 300PA2HN02 Hardlex Crystal SMY089J1 - 5M63-0AD0
SEIKO 300PA2JN02 Hardlex Crystal SKA221J1 - 5M62-0AP0
SEIKO 300PA3JN02 Hardlex Crystal SLT095P1 - 8F56-00J0
SEIKO 300PA4JB0A Hardlex Crystal SND197P1 - 7T92-0CB0
SEIKO 300PA6JN02 Hardlex Crystal SKY030P1 - 5Y89-0AF0
SEIKO 300PA4JN02 Hardlex Crystal SND187P1 - 7T92-0CA0
Sold outSEIKO 300PA8JN02 Hardlex Crystal SNG085P1 - 5J32-0AW0
Sold outSEIKO 300PA8JN03 Hardlex Crystal 300PA8JN03
SEIKO 300PA9JN03 Hardlex Crystal SRP379K1 - 4R36-01K0
SEIKO 300PB1JN03 Hardlex Crystal SNZG79J1 - 7S36-03P0
SEIKO 300PB2JN03 Hardlex Crystal PF3293X9 - 7T62-X068
SEIKO 300PB3LN03 Hardlex Crystal SKZ269J1 - 7S36-03Z0
Sold outSEIKO 300PB5LN03 Hardlex Crystal SRP135J1 - 4R36-00C0
SEIKO 300PB6SN02 Sapphire Crystal SND631P1 - 7T92-0FL0
SEIKO 300PB7JN03 Hardlex Crystal SRP123J1 - 4R36-00G0
SEIKO 300PB9SN02 Sapphire Crystal SNE595P1 - V157-00A0
Sold outSEIKO 300PC1JN02 Hardlex Crystal SUR361J8 - 6N43-00C0
SEIKO 300PC6TNC3 Mineral Crystal 300PC6TNC3
SEIKO 300PD8JN02 Hardlex Crystal FBRT987 - 7N00-0BC0
Sold outSEIKO 300PX5HN03 Hardlex Crystal 7N42-6B60
Sold outSEIKO 300PX5JN02 Hardlex Crystal PUL091P1 - 5M42-0M50
SEIKO 300PX5JN03 Hardlex Crystal SGE439P1 - 7N42-6B60
Sold outSEIKO 300PX5LN02 Hardlex Crystal V657-8080
Sold outSEIKO 300PX5LN03 Hardlex Crystal 5M42-0M50
SEIKO 300PX5SN02 Sapphire Crystal SNA457P9 - 7T62-0EK0

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.