Seiko Mod Parts
Showing 65–80 of 213 results
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Brushed Seiko Slim Case Back
Read moreBrushed Seiko Slim Case Back
- Material – 316L Surgical stainless steel
- Type/Design – Sterile case back – slim/thinner design saving @0.9mm over the standard CT200 – 100M rated – Built in spacer for NH movements with grey movement holder
- Finish – Brushed top with polished sides
- Suitable for Seiko divers 200M 0020 case type SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKXA35 SKX401K
- Our Cases – CT700 CT702 CT705 CT706 CT707 CT708 CT709 CT712 CT713 CT714 CT715 CT716 CT717 CT718
- SRP Turtles – All
- Mid-Size 200M – SKX013 SKX015
- All New and Old Samurai models
- Vintage 150M 6306 6309 7002 – All variants
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Brushed Seiko SRP Turtle Chapter Ring
38.04$ Add to cartBrushed Seiko SRP Turtle Chapter Ring
- Material – Stainless Steel 316L surgical grade
- Type/Design – Chapter Ring with rear pin location. This is Not Plastic unlike many on the market today but machined from a single piece of 316L Stainless Steel
- Finish options – Brushed
- Ref dimensions – As per Plastic Chapter ring
- Suitable for – New Prospex “Turtle” 200M SRP773 SRP775 SRP777 SRP779 SRP787 SRP789 SRPC44 SRPC23K1 SRPC25K1 SRPC49K1 “PADI” Versions – SRPA21 – Plus any new variant using the 04Y0 case
38.04$ -

Brushed Turtle Crown for SKX007/SRP
Read moreBrushed Turtle Crown for SKX007/SRP
- Description – Stainless Steel 316L 3 Gasket Hi-Performance threaded Crown – A high quality high performance in house engineered/designed and fully tested Crown – sterile design – complete with stem.
- Finish – Sterile Polished with Circular Brushed Finish – A very nice elegant touch to a simple crown.
- Material – HQ Stainless Steel 316L surgical grade.
- Stem – Suitable for NH35 NH36 NE15 4R35 4R36 6R15 movements and the standard SKX007 7S26 movements.
- Crown Head Ref dimensions – Diameter 7mm x 4.9mm
- Suitable For: 200M Case Ref 7S26-0020 – SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKX401K SKXA35 – All SUMO variants – SPB051 SPB053
- Samurai – All Samurai models old and new versions SBDA001 SBDA003 SBDA005 SNM009 SNM011 SNM017 SRPB009 SRPB49 SRPB51 SRPB53 SRPB55 SRPC93
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Case Type Chapter Ring for SKX013 0030 – Brushed/Polished
48.91$ Add to cartCase Type Chapter Ring for SKX013 0030 – Brushed/Polished
- Finish – Rotary Brushed
- Suitable for Mid Size 200M 0030 case – SKX013 SKX015 SKX017
48.91$ -

CT026 – Flat Sapphire Crystal With Day/Date Cyclops – SKX007 SRPD
Read moreCT026 – Flat Sapphire Crystal With Day/Date Cyclops – SKX007 SRPD
- Material – Sapphire crystal
- Type/Design – Flat with top edge Seiko classic bevel OEM dimensions with day/date cyclops mag feature as on some oem limited editions.
- Solid sapphire no AR coating on this flat sapphire crystal.
- Ref dimensions – Dia 31.5mm Thickness 2.9mm
- Suitable for – SKX007 SKX009 SKX011 SKX171 SKX173 SKX175 SKX401K SKXA35
- New SRPD Collection
- 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4
- 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1
- 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1
- 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1
- 5 Sense collection – SRPD77K and SRPD85K1
- Additional info – Upgrade from the OEM mineral crystal to sapphire with day/date magnification feature. Dimensionally as OEM Seiko mineral crystal but produced in high quality sapphire.
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CT071 – Double Dome Sapphire Crystal – SARZ – SRP+
Read moreCT071 – Double Dome Sapphire Crystal – SARZ – SRP+
Material – Sapphire Crystal
Type/Design – Double Dome (Domed Top – Domed Underside).
Ref dimensions – Diameter 31mm Thickness 5.5mm
Standard AR coating options – Blue, Purple, Green and No AR.
Suitable for – SARZ011 SARZ012 SARZ014 SRP163 SRP165 SRP167 SRP169 SRP170 SRP172
Additional info below in product description
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CT075 – SKYDOME Sapphire Crystal – SRP Turtle
Read moreCT075 – SKYDOME Sapphire Crystal – SRP Turtle
Material – Sapphire crystal
Type/Design – SKYDOME – Extreme Double dome (Domed Top – Domed underside) nicknamed by many the MOAB “MOTHER OF ALL BUBBLES”
AR* coating options – Blue AR and CLEAR AR**
*AR coating is underside only
** Clear AR extra 10
Ref dimensions – Dia 32mm Total Thickness apex to bottom @ 8.7mm – Dome height 5.7mm – Edge Height 3.0mm
IMPORTANT – To fit this crystal you need a deep form to clear the crystal apex supporting the crystal outer edge only
Suitable for – New Prospex “Turtle” 200M SRP773 SRP775 SRP777 SRP779 SRP787 SRP789 SRPC44 SRPC23K1 SRPC25K1 SRPC49K1 SRPC91 SRPC95 “PADI” Versions – SRPA21 SUN065 – Blue Lagoon SRPB09 SRPB11 – Dawn Grey SRPD01K1 – Save The Turtle SBDY021 SBDY031
NEW 62MAS – SPB051 SPB053
FLIGHTMASTER – SNA411 SNA411P1 SNA413P1 SNA414P1
SOLAR 200M – SBDJ009 SBDJ011 SBDJ013 SBDJ015
PADI SOLAR – SNE435 SNE435P1 SNE493P1
SAMURAI – SRPB09 Blue Lagoon – SRPB51 Black – SRPC93 STO – SRPD03K1 Dawn Grey
KINETIC TUNA – SUN019 SUN021 SUN023 SUN065
DAYTONA – SNA225
Additional info – EXTREME SKYDOME Double Dome Sapphire for a truly dramatic look to your Mod – A crazy sapphire to produce with horrendous levels of scrap levels hence only a small number available!
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CT076 – Flat Sapphire Crystal – SRP Turtle +
Read moreCT076 – Flat Sapphire Crystal – SRP Turtle +
- Material – Sapphire crystal
- Type/Design – Flat – as original oem hardlex crystal
- AR coating options – Blue, Clear AR* and No AR
- * Clear AR 10 usd extra
- Ref dimensions – Dia 32mm Thickness 2.8mm – As per oem spec
- Suitable for – New Prospex “Turtle” 200M SRP773 SRP775 SRP777 SRP779 SRP787 SRP789 SRPC44 SRPC23K1 SRPC25K1 SRPC49K1 SRPC91 SRPC95 “PADI” Versions – SRPA21 SUN065 – Blue Lagoon SRPB09 SRPB11 – Dawn Grey SRPD01K1 – Save The Turtle SBDY021 -SBDY031
- NEW 62MAS – SPB051 SPB053
- FLIGHTMASTER – SNA411 SNA411P1 SNA413P1 SNA414P1
- SOLAR 200M – SBDJ009 SBDJ011 SBDJ013 SBDJ015
- PADI SOLAR – SNE435 SNE435P1 SNE493P1
- SAMURAI – SRPB09 Blue Lagoon – SRPB51 Black – SRPC93 STO – SRPD03K1 Dawn Grey
- KINETIC TUNA – SUN019 SUN021 SUN023 SUN065
- Additional info – Flat sapphire, for the buyers who want to upgrade from the standard mineral crystal to sapphire whilst retaining the traditional flat divers crystal look. Multiple AR options.
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CT078 – Double Dome Sapphire Crystal – Seiko Military style SNZG+
Read moreCT078 – Double Dome Sapphire Crystal – Seiko Military style SNZG+
Material – Sapphire Crystal
Type/Design – Double Dome (Domed Top and Domed Underside) Superb clarity and scratch resistance with no optical distortion. A low DD looks fantastic a real transformation.
AR* coating options – Blue AR, Clear AR** and No AR
* ALL AR coatings underside only
** Clear colorless AR available extra cost 10
Custom Coatings – Additional cost – 21 days’ lead time may be required for non-standard costings please enquire
Ref dimensions – Dia 35mm Thickness 3.25mm Edge 1.5mm
Suitable for SEIKO – Military style SNZG03K1 SNZG05J1 SNZG05K1 SNZG06K1 SNZG06J1 SNZG07J1 SNZG09J1 SNZG11K1 SNZG13K SNZG15K1 SNZG17J1
Case Reference suitable – 7S36-03J0 7S36-03H0
Additional info – Superb Double Dome sapphire crystal with AR option – perfect for this military look Seiko – DD design so no optical dial distortion. Looks superb when fitted, takes the look to a new level.
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CT082 – Double Dome Sapphire Crystal – SKX013+
Read moreCT082 – Double Dome Sapphire Crystal – SKX013+
Material – Sapphire Crystal
Type/Design – Medium Double Dome (2mm) with top edge bevel.
Suitable for Seiko Models –
- 200M midsize divers SKX013 SKX015
- 5 Sports SNK031
- SEIKO SOLAR TUNA SBDN021 SBDN023 SBDN025 SBDN026 SBDN028 SBDN029 SBDN039 SBDN041 SBDN043 SBDN045 SBDN047 SBDN049 SBDN051 SBDN053 SBDN055 SBDN057 SBDN059
Standard AR* coating options – blue AR, No AR and Clear AR**
Ref dimensions – Diameter 28mm – Total Thickness 4.8mm – Edge 2.8mm (includes to bevel) – Dome 2mm
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CT083 – Double Dome Sapphire Crystal – Seiko 5 – 29mm
Read moreCT083 – Double Dome Sapphire Crystal – Seiko 5 – 29mm
- Material – Sapphire crystal
- Type/Design – Low Double dome (Domed Top – Domed Underside)
- No optical dial distortion with Double Dome unlike Single Dome
- Standard AR* coating options – Blue, Clear, and No AR – All AR coatings underside only
- Ref dimensions – Dia 29mm – Total Thickness 1.8mm – 1.5mm Dome – Edge height 1.0mm
- If you require a 30mm version of this DD Sapphire go to CT063
- Suitable for – Seiko 5 models with a 29mm pressed-in crystal with 1mm edge height
- SNKL41 SNKL43 SNKL45 SNKA01 SNK369 SNK371 SNK377 SNK381 SNK601 SNK605 SNK613 SNK615 SNK617 SNK619 SNK621 SNKK87 – CASE REF 7S26-01V0 7S26-02F0 7S26-03T0
- Not suitable for the 7S26-0480 SNXS77 and the like with a bezel that is pressed on to retain the crystal.
- Additional info – Double dome sapphire upgrade replacing the dead flat OEM mineral crystal – superb when fitted a real gem of a sapphire just the correct height and double dome so no optical dial distortion. 30mm version available CT063.
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CT084 – Flat Sapphire Crystal – Seiko 5 – 29mm
Read moreCT084 – Flat Sapphire Crystal – Seiko 5 – 29mm
- Material – Sapphire crystal
- Type/Design – Flat
- AR – This crystal has a blue AR coating
- Ref dimensions – Dia 29mm – 1mm Thick
- If you require a 30mm version of this Flat Sapphire go to CT030
- Suitable for – Seiko 5 models with a 29mm pressed-in crystal with 1mm edge height
- SNKL41 SNKL43 SNKL45 SNKA01 SNK369 SNK371 SNK377 SNK381 SNK601 SNK605 SNK613 SNK615 SNK617 SNK619SNK621 SNKK87 CASE REF 7S26-01V0 7S26-02F0 7S26-03T0
- Additional info – As this is a flat crystal top side clearly marked for easy fit. A crystal for buyers who wish to upgrade from a mineral crystal to scratch resistant sapphire with an AR coating.
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CT088 – Low Double Dome Sapphire Crystal – Seiko Chrono Flightmaster
Read moreCT088 – Low Double Dome Sapphire Crystal – Seiko Chrono Flightmaster
- Material – Sapphire crystal
- Type/Design – Low Double dome (Domed Top – Domed Underside)
- No optical dial distortion with Double Dome unlike Single Dome
- Standard AR coating options – Blue and No AR
- Custom Coatings – Additional cost – 21 days’ lead time may be required for non-standard coatings please enquire
- Ref dimensions – Dia 31mm – Thickness 3.25mm – 1.25mm Dome – Edge Height 2mm
- Suitable for – Seiko Chrono Flightmaster Quartz Chronograph SND253 SND253P1 SND255P1 SND255 SND257
- PLUS, many other SEIKO CHRONO models with a 31mm pressed-in crystal with 2mm crystal edge height
- Additional info – Double dome sapphire upgrade replacing the dead flat OEM mineral crystal – superb when fitted a real gem of a sapphire just the correct height and double dome so no optical dial distortion. Transforms the overall look – the one mod that really makes a difference.
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CT090 – Flat & Double Dome Sapphire Crystal – Seiko Spirit SARB033 SARX033 SARB035 SARX035 SARB037 SARX057
Read moreCT090 – Flat & Double Dome Sapphire Crystal – Seiko Spirit SARB033 SARX033 SARB035 SARX035 SARB037 SARX057
- Material – Sapphire Crystal
- Suitable for – SEIKO SPIRIT SARB033 SARB035 SARB037 SCVS003 SARX033 SARX035 SARX057
- 2 Type/Design –
- Flat – Diameter 31mm – Thickness 1.5mm
- Double Dome – 31mm Diameter – Total Thickness 3mm – Low Dome – 1.5mm Dome – Edge height 1.5mm
- AR* coating options – blue, No AR and Clear AR**
- Ref dimensions – Dia 31mm Total Thickness 3.0mm Edge Height 1.5mm
- Additional info – Direct DD Sapphire replacement for the OEM flat crystal. A superb low 1.5mm Double Dome Sapphire Crystal. Double Dome so no optical dial distortion even at an acute angle. The dome height just right for this classic ‘Grand Seiko’ lookalike watch. Looks like the watch should have been made like this by Seiko. AR options available. Flat option now available.
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CT091 – Double Dome Sapphire Crystal – Invicta Professional 200M 8926
Read moreCT091 – Double Dome Sapphire Crystal – Invicta Professional 200M 8926
- Material – Sapphire Crystal
- Type/Design – Double Dome – 29.5mm dia – Dome height 2.0mm
- Custom made to fit the Invicta 8926 and the older 9210A seamless flow crystal to bezel matching the slope of bezel insert perfectly. No ugly step as on the oem flat crystal. No date magnifier.
- Pressure tested to exceed 200M during development
- Direct replacement for OEM Flat Mineral Crystal
- Will not fit the 8926OB which takes a 30mm crystal*
- AR coating options – Blue AR, Clear AR, plus No AR
- Ref dimensions – Dia 29.5mm Total Thickness 4.1mm Edge Height 2.1mm
- Suitable for – Invicta Professional 200M 8926 and the older version Professional 200M 9210A variants that take a 29.5mm diameter crystal
- *Important – will not fit the 8926OB which takes a 30mm crystal if you have the 8926OB you require our crystal ref CT056
- Additional info – Direct and easy replacement for the OEM flat crystal. A superb low 2.0mm Double Dome Sapphire Crystal. Double Dome so no optical dial distortion even at an acute angle. The dome height just right for this classic ‘Rolex Sub’ lookalike watch. Looks like the watch should have been made like this by Invicta – what a transformation! AR options available.
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CT096 – Top Hat Sapphire Crystal – SRP Turtle + SAMURAI +
Read moreCT096 – Top Hat Sapphire Crystal – SRP Turtle + SAMURAI +
- Material – Sapphire crystal
- Type/Design – Flat Vintage “Top Hat” look/shape
- AR* coating options – Blue AR, Clear AR** and No AR
- *AR coating is underside only
- **Clear AR additional 10 usd
- Ref dimensions – Dia 32mm Total Thickness 5.8mm
- Suitable for – New Prospex “Turtle” 200M SRP773 SRP775 SRP777 SRP779 SRP787 SRP789 SRPC44 SRPC23K1 SRPC25K1 SRPC49K1 SRPC91 SRPC95 “PADI” Versions – SRPA21 SUN065 – Blue Lagoon SRPB09 SRPB11 – Dawn Grey SRPD01K1 – Save The Turtle SBDY021
- FLIGHTMASTER – SNA411 SNA411P1 SNA413P1 SNA414P1
- SOLAR 200M – SBDJ009 SBDJ011 SBDJ013 SBDJ015
- PADI SOLAR – SNE435 SNE435P1 SNE493P1
- SAMURAI – SRPB09 Blue Lagoon SRPB51 Black
- DAYTONA – SNA225
- Suitable for NEW 62MAS – SPB051 SPB053
- Additional info – Vintage style “Top Hat” flat sapphire, for the buyers who require more of a vintage look to their mod, very popular for the Soxa Mod.