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Sold outSEIKO 155W06JM01 Hardlex Crystal SYY308P1 - 2Y01-0A70
Sold outSEIKO 155W08SK01 Sapphire Crystal SSRX002 - 1F21-0E40
SEIKO 160A02J20A Hardlex Crystal SXM118J1 - 4N01-0160
SEIKO 160A02SN02 Sapphire Crystal FBAB994 - 1F20-1B30
SEIKO 160A03JN02 Hardlex Crystal SUJG37P1 - 1N00-0SJ0
Sold outSEIKO 160A05H20A Hardlex Crystal SXM136J1 - 4N01-0170
SEIKO 160A09JN02 Hardlex Crystal SXGJ21P1 - 1N01-0CB0
SEIKO 160A12JB0A Hardlex Crystal SXJJ01P0 - 1N00-1A49
SEIKO 160A15JN02 Hardlex Crystal SUJB32P9 - 1N00-0JJ0
SEIKO 160A20JN02 Hardlex Crystal SSVY015 - 1N01-0CA0
Sold outSEIKO 160N16GN00 Hardlex Crystal STH152J1 - 7320-0040
Sold outSEIKO 160N17SN00 Sapphire Crystal BRR820 - 1140-0160
Sold outSEIKO 160N23GN Hardlex Crystal SZW467J1 - 1100-0670
Sold outSEIKO 160N23GN00 Hardlex Crystal BRF051 - 1100-0730
SEIKO 160N61JN00 Hardlex Crystal SXU098J1 - 1400-0080
Sold outSEIKO 160N61KN00 Hardlex Crystal 160N61KN00
SEIKO 160W02GN00 Hardlex Crystal PBS031J1 - Y591-0029
Sold outSEIKO 160W06GN00 Hardlex Crystal SVTW946 - 7321-0150
Sold outSEIKO 160W18JM01 Hardlex Crystal SXG050J1 - 1N01-0B20
SEIKO 165A02JN02 Hardlex Crystal SXU044J1 - 1400-0030
SEIKO 165A02LN03 Hardlex Crystal 1N01-0J80
SEIKO 165A03JN02 Hardlex Crystal SUP023P1 - V114-0AD0
Sold outSEIKO 165A10JB0B Hardlex Crystal SXJE74J1 - 1N00-0K2A
Sold outSEIKO 165A14JR02 Hardlex Crystal SXG785J1 - 1N01-0H70
SEIKO 165A18JN02 Hardlex Crystal SWFA008 - V110-0A70
SEIKO 165AA0JB0B Hardlex Crystal FBNM985 - 1N01-0LG0
SEIKO 165AA0JN02 Hardlex Crystal FBNM984 - 1N01-0LF0
SEIKO 165AA8JN02 Hardlex Crystal FBSK399 - 1N01-0MH0
SEIKO 165N02GN00 Hardlex Crystal 2P20-0C80
SEIKO 165N02JM01 Hardlex Crystal SXJ196P1 - 1N00-0C10
Sold outSEIKO 165N08JH01 Hardlex Crystal SXJ566J1 - 1N00-0D30
Sold outSEIKO 165N09SN Sapphire Crystal 165N09SN
Sold outSEIKO 165N09SN00 Sapphire Crystal XX16000040 - 1600-0040
Sold outSEIKO 165N13KN00 Hardlex Crystal 1400-0030
SEIKO 165N15KN00 Hardlex Crystal 1400-0400
Sold outSEIKO 165N17SN00 Sapphire Crystal CXUY86J1 - 1400-0939
SEIKO 165N19HN00 Hardlex Crystal 2C20-0030
SEIKO 165N23HN00 Hardlex Crystal 165N23HN00
SEIKO 165N23JN00 Hardlex Crystal 2C20-0150
SEIKO 165N31LN01 Hardlex Crystal PGF392P1 - V232-0250
Sold outSEIKO 165N35LN01 Hardlex Crystal V233-0750
Sold outSEIKO 165P01H20A Hardlex Crystal SXM128J1 - 4N01-0210
Sold outSEIKO 165W04SV01 Sapphire Crystal SWZX007 - 1F21-0A80
Sold outSEIKO 165W05HN01 Hardlex Crystal SXM080J1 - 4N01-0080
Sold outSEIKO 165W08JH02 Hardlex Crystal SXJ802J1 - 1N00-0F0A
SEIKO 165W06JN01 Hardlex Crystal SSHX002 - 1F21-0A60
Sold outSEIKO 165W10JU01 Hardlex Crystal SXJ793J1 - 1N00-0F40
Sold outSEIKO 170A02JB0A Hardlex Crystal SXJW53P9 - 1N00-1E20

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.