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3648 products

SEIKO 320P53S20A Sapphire Crystal SBDC051 - 6R15-03W0
Sold outSEIKO 320P69S20A Sapphire Crystal SPB377J1 - 6R54-00B0
SEIKO 320P61S20A Sapphire Crystal SBDC145 - 6R35-01M0
Sold outSEIKO 320P52SB0A Sapphire Crystal SBDL097 - V192-0AH0
SEIKO 320PA4JB0D Hardlex Crystal PF3423X1 - 7T62-X085
SEIKO 320PA4JB0C Hardlex Crystal PF3361X1 - 7T62-X085
SEIKO 320PA4JC0B Hardlex Crystal PXH315X1 - VX42-X089
SEIKO 320PA4JC0E Hardlex Crystal 320PA4JC0E
SEIKO 320PA8HN02 Hardlex Crystal FBNW999 - V145-0BC0
SEIKO 320PB0LN03 Hardlex Crystal PAR097X1 - YT57-X027
Sold outSEIKO 320PB1SB0A Sapphire Crystal SRPH55J8 - 4R36-11W0
SEIKO 320PA9JN03 Hardlex Crystal SRP481K1 - 4R36-02T0
SEIKO 320PC0JN02 Hardlex Crystal SGEE49P1 - 7N42-0EF0
SEIKO 320PC4HN02 Hardlex Crystal SNDA13J1 - 7T92-0JG0
SEIKO 320PC4SB0B Sapphire Crystal SNDA59P1 - 7T92-0JT0
SEIKO 320PC8SB0B Sapphire Crystal SKA511P1 - 5M62-0CS0
SEIKO 320PD2JN02 Hardlex Crystal SCEB009 - 7T92-0NR0
Sold outSEIKO 320PC4JN02 Hardlex Crystal 7T92-0LK0
SEIKO 320PX5LN03 Hardlex Crystal SRPB79J1 - 4R35-02C0
SEIKO 320PX5HN03 Hardlex Crystal SRP441K1 - 4R35-00F0
SEIKO 320PX5SB0B Sapphire Crystal SUN019J1 - 5M85-0AB0
SEIKO 320PX5SN02 Sapphire Crystal SARB013 - 6R15-00E0
SEIKO 320PX5JN02 Hardlex Crystal SNG093P1 - 5J32-0AX0
SEIKO 320PX6LN03 Hardlex Crystal SRP357J1 - 4R36-01P0
SEIKO 320PX7JN02 Hardlex Crystal 5M65-0AB0
SEIKO 320PX7JN03 Hardlex Crystal SUN005P9 - 5M65-0AB0
SEIKO 320W15GN Hardlex Crystal 5106-8020
SEIKO 320W15GN00 Hardlex Crystal 5106-8020
SEIKO 320W40GN00 Hardlex Crystal 7A28-7020
SEIKO 320W52JK01 Hardlex Crystal SEL028J1 - 5T52-7A10
SEIKO 320W42GA00 Hardlex Crystal 7A48-7009
SEIKO 320WP0LU04 Hardlex Crystal PMY029P1 - V336-6030
SEIKO 320X04HN02 Hardlex Crystal SRPC95J1 - 4R36-06T0
SEIKO 320X06JV0A Hardlex Crystal SEL084P0 - 5T52-6B39
SEIKO 320X05S20A Sapphire Crystal SBDC091 - 6R35-00E0
Sold outSEIKO 320X06JV0D Hardlex Crystal SEL077P1 - 5T52-6B30
SEIKO 320X06JV0E Hardlex Crystal SEL082J1 - 5T52-6B30
Sold outSEIKO 320X07S20A Sapphire Crystal SBDC207 - 6R55-00P0
SEIKO 320XA0HN02 Hardlex Crystal SBDJ017 - V157-0BT0
Sold outSEIKO 320XA3HN02 Hardlex Crystal SNQ037P1 - 6A32-00E0
SEIKO 320XB7SB0A Sapphire Crystal SRPE03J1 - 4R36-06Z0
Sold outSEIKO 325W16GA00 Hardlex Crystal 325W16GA00
Sold outSEIKO 325W18GN00 Hardlex Crystal SSAY038 - 7A28-7050
SEIKO 325W22SN00 Sapphire Crystal SSJS018 - 7A38-7030
Sold outSEIKO 325W26HB0A Hardlex Crystal S60585J1 - 7549-7010
SEIKO 325W62SB0A Sapphire Crystal S23629J1 - 7C46-0AN0
SEIKO 330A02JB0C Hardlex Crystal SHL012J1 - 5Y88-6010
SEIKO 330A02JB0D Hardlex Crystal SHL010J1 - 5Y88-601A

Genuine Seiko Watch Parts and Components

WatchPlaza is your independent source for genuine Seiko watch parts, covering an extensive range of components for current models, older calibres and discontinued references.

Browse Seiko Parts by CategoryMovements - Calibres and movement components → Dials - Wijzerplaten for a wide range of models → Hands - Hour, minute and second hands → Crystals - Mineral and sapphire crystals → Straps and Bracelets - Original Seiko bands and bracelets → Bezels and Chapter Rings - Inserts and rings → Cases and Case Backs - Complete cases and case backs → Crowns and Stems - Crowns, stems and related components → Clasps and Buckles - Deployant clasps, buckles and links → Gaskets and Seals - Water resistance components → Small Parts - Spring bars, pins, screws, batteries and case pins

 


The Most Comprehensive Range of Seiko Parts Available

Seiko is one of the most widely serviced watch brands in the world, and for good reason. The brand's commitment to in-house manufacturing means that genuine parts are available for an exceptionally broad range of models and calibres, spanning decades of production. At WatchPlaza, we stock genuine Seiko replacement components for current production models as well as a significant range of older and vintage references, including parts that are no longer available through mainstream distribution channels.

Whether you are carrying out a routine service, restoring a vintage piece, or sourcing a specific component for a calibre no longer in production, our catalogue is one of the most comprehensive available from an independent retailer.


Parts for Every Seiko Calibre

Seiko has produced dozens of in-house calibres across quartz, automatic, solar and Spring Drive technologies. Many of these movements have remained in production for years or decades, making genuine parts widely available for servicing. Well-known calibres such as the NH35, NH36, 7S26, 6R15, 6R35, 4R36 and the older 7009 and 7002 series are all represented in our catalogue, with components ranging from complete movements to individual stems, crowns and gaskets.

For each part in our catalogue, compatibility information is listed by model number, case number and calibre reference, allowing you to identify the correct component before ordering.


What We Stock

Our Seiko parts catalogue covers the full range of components needed for servicing, restoration and customisation.

Movements and Movement Parts

Complete movements and individual calibre components, including rotors, setting levers, keyless works and technical parts for a wide range of Seiko automatic and quartz calibres.

Dials and Hands

Original Seiko dials and hand sets for current and older models. Hands are listed by calibre compatibility and include hour, minute and second hands across a wide range of finishes and specifications.

Crystals

Mineral and sapphire crystals for Seiko models across the Prospex, Presage, Seiko 5 and vintage ranges. Crystals are listed with dimensions and model compatibility.

Cases, Case Backs and Bezels

Complete watch cases, case backs, bezel inserts and chapter rings. These components are listed with full model and calibre compatibility information to ensure correct fitment.

Crowns, Stems and Keyless Works

Original Seiko crowns and stems for current and older calibres. Correct crown and stem matching is critical for water resistance and movement function, and our listings include full calibre references.

Straps, Bracelets, Clasps and Links

Original Seiko straps and metal bracelets, together with individual links, clasps, deployant buckles and end pieces. Listed by lug width and model reference.

Gaskets and Seals

Case back gaskets, crown gaskets and crystal gaskets for a wide range of Seiko models. Essential components for maintaining water resistance after a service or case opening.

Small Parts

Spring bars, case pins, screws, pins and batteries. These components are stocked for a wide range of current and older Seiko references.


Discontinued and Hard-to-Find Seiko Parts

One of WatchPlaza's key strengths is our stock of discontinued Seiko parts, covering components that are no longer available through standard distribution. As Seiko continues to develop new models and retire older ones, sourcing parts for vintage and out-of-production references becomes increasingly difficult.

We maintain an active archive of discontinued components, including parts for calibres and models that have been out of production for many years. If you are restoring a vintage Seiko or servicing a model with limited parts availability, our catalogue is a reliable first stop.

If the specific part you need is not listed, contact us directly. In many cases we are able to source components through our supply network, though availability and lead times vary.


For Watch Enthusiasts and Professional Watchmakers

Our catalogue serves both professional watchmakers carrying out full service work and watch enthusiasts maintaining or restoring their own pieces. Product pages include compatibility information, dimensions and specifications to support accurate part identification before ordering.

Professional installation by a qualified watchmaker is recommended for movement components, gaskets, crystals and any parts that affect water resistance or timekeeping function.


About Genuine Seiko Parts

Genuine Seiko replacement parts are manufactured to the same specifications as the original components installed at production. Using genuine parts helps maintain the intended fit, function and reliability of the watch, and is particularly important for components that affect water resistance, timekeeping accuracy or movement integrity.

WatchPlaza stocks genuine Seiko parts sourced through established supply channels. If you have questions about the compatibility or specifications of a specific part, feel free to contact us before ordering.


Shop Seiko Parts by Calibre

Find parts for your specific Seiko movement. Our catalogue includes components for the following calibres, among others:

4R34 / NH34 - 4R35 / NH35 - 4R36 / NH36 - 5M62 - 5M82 - 6R15 / NE15 - 6R20 / NE20 - 6R35 / NE35 - 6R54 / NE54 - 7C46 - 7D46 - 7D48 - 7D56 - 7L22 - 7S26 / NH26 - 7S36 - 7T32 - 7T34 - 7T62 - 7T82 - 8L35 - V157 - NH38 - 7009 - 7002 - 6309 - 5606 - 7548 - V158 - H851 

Searching by calibre reference on our site will return all available components listed for that movement.


Shop Seiko Parts by Model

Looking for parts for a specific Seiko model? Our compatibility listings cover a wide range of references, including:

SKX007 - SKX009 - SKX013 - SKX - SKZ - SNZF17 - SNZH - SRP777 - SRP - SRPB - SRPD - SPB - SBDC - SARB - Alpinist - Presage Cocktail Time - Prospex Save The Ocean - King Seiko - SRPD51 - SRPD55 - SRP779 - SNK809 - SNXS77 - SRP641 - SBDC001 - SLA021 - SARB033 - SARB065 - 6105-8110 - 7002-7000

Part pages include model compatibility information to help you identify the correct component for your reference.

 


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Seiko Watches - Browse current Seiko timepieces → Seiko Brand - About Seiko as a brand → All Watch Parts - Parts for other brands and calibres