Good and quick service
The band is great. It revised my SEIKO as it’s a brand new.
easy to replace and works perfectly. Just a little grease to help it glide
Crystal gasket seiko 7c46 and 7549. Hard to find. Good price.
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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.
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.
Every wristwatch, no matter how simple or advanced, consists of multiple interdependent components. Here's a breakdown of the most essential ones:
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
The dial shows the time and often includes:
Hour markers, subdials, and date windows
Decorative elements such as sunburst finishes, textures, or applied indices
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).
The case protects the movement and other internal components. Materials vary from:
Stainless steel
Titanium
Ceramic
Plastic or resin (in sport watches)
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
Located on the side of the case, the crown allows users to wind the watch, set the time, and, in some models, adjust complications.
Often screwed or snapped on, the case back includes gaskets to ensure water resistance. Transparent case backs reveal the movement in display models.
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)
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
Reputable sites like WatchPlaza.com specialize in brand-specific watch parts. We offer a secure shopping experience, fast worldwide shipping, and verified original parts.
Watch repair professionals often have access to rare or discontinued parts, especially for vintage models.
If you own a luxury or high-end model, always go through the brand's authorized service center to preserve authenticity and warranty.
Websites like eBay may offer rare components, but always verify the seller’s reputation and part authenticity.
Useful for finding hard-to-source or discontinued components, but be wary of quality and condition.
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
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.