Hi everyone. Looking at the Seiko documentation for the 6r15/nh3x/7s26 etc, I see that Seiko basically uses one oil - Citizen AO-3A and one grease - Seiko S6, to lubricate those movements. They also use Seiko S4 grease but for just one part - the first reduction wheel. Reading the various threads
In-Depth: Why The Grand Seiko 60th Anniversary SLGH002 Is Some Of The Biggest Watch News Of 2020 - Hodinkee
Seiko S3 Silicone grease alternative? - Watch Repairs Help & Advice - Watch Repair Talk
Seiko 7546 quartz - what lubricants do I use? - Lubrication Techniques, Oils, Greases, Epilame Treatments - Watch Repair Talk
The Art of Oiling in Watchmaking - Lubrication 101 — NO BS WATCHMAKER
Just Because: My Trusty Old Grand Seiko Is Still Shockingly Accurate - Hodinkee
Seiko (SII) Caliber NH38A Watch Movement
Owners Review : Don's Seiko Limited Edition 1000m 'Golden Tuna' S23626
Seiko 7049] Liquid Filled Quartz Conversion : r/Watches
3 Things Needed Before Oiling a Seiko Watch at Home