SKX007 to MM Conversion Case

This has been a long and challenging project but we are almost there. Final testing is now underway. Target to be on the site by end of June latest.

CT709 Crown at 3 case

The crown at 3 version of our successful CT706 mid-size case is now completed and in production with expected delivery in @ 1 week – We hope to have on the site by mid June latest. As with the 706 it will be available only with drilled through lugs and …

One Ocean Conservation X CT

seikomods.com is proud to announce that that we will be donating $5 per order of our CT702 Turtle Conversion case to One Ocean Conservation’s Save The Sea Turtles International Foundation! We look forward to donating to an amazing organization and cause. Thank you for your support! If you’d like to make a direct …

New SRPD Models – Compatibility with mod parts

We purchased a few of these new SRPD models to conduct a full mod parts compatibility analysis and an overall general review –  1.) ALL SKX007 parts will fit but not the crown or fat spring bars. 2.) Bezel Insert has no lume – not even at 12 3.) Crown …

Turtle Conversion Case

UPDATE: NOW LIVE! CT702 our SKX007 to SRP Turtle Conversion case is now in production after an extended development and test process. All SKX007 parts will fit except the metal bracelets. SRP bracelets will fit. Imagine all the bezel, bezel insert, chapter ring and crystal possibilities for this superb Turtle …

CT123 – CT219HDV DJ Bezel Sapphire Crystal

CT123 Flat Sapphire to compliment our CT219 HDV DJ Bezel for the SARB033/35/37 SCVS003 is now completed. Apologies for this taking a little longer than expected. Really gives your SARB that DJ feel. Link to Sapphire Crystal: CT123 Link to Bezel: CT219

Movement Holder

High quality custom made solid brass movement holder CT503. This is a precision CNC machined weighty tool. The essential tool every Seiko modder should have on their work bench. Compatible with both the standard and thicker Divers movement spacers. This allows you to work on your movement with confidence whilst …

CT117 Sumo Top Hat Sapphire

By popular demand we produced a 31mm Top Hat Sapphire for the Sumo and possibly quite a number of other seiko/orient models that take a 31mm crystal. Link: CT117

Limited run CT703 crown at 4 case with He valve at 9

Update: available in the next 2 weeks (7/31/19: 12PM) By popular demand an upgraded version of our very popular CT700 case – drilled lugs He valve at 9 – limited run all cases individually numbered.

CT701 Crown at 3 case

Development completed and now in production – 300 pcs of the first and only delivery of this limited edition expected in 5 to 6 weeks. Tested to 500M and fitted with He valve at 9. All cases individually numbered. Update: CT701 is completely sold out, and will not be produced …