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
Just Because: My Trusty Old Grand Seiko Is Still Shockingly Accurate - Hodinkee
Practicing on an Orient with a Belforte movement (Seiko cal. 7625 ébauche) — Part 2 – Sky Corner
Repairing a muddy Seiko 5 (6309-8920) – an epic project – Sky Corner
Do you guys lube/lubricate the Stem or is it not necessary? : r/SeikoMods
FAQ regarding Grand Seiko Service
Which watch should I choose for my first automatic watch, Seiko 5 or Uncle Charly from Swatch? - Quora
Oiling Your Watch - What You Need to Know - Crystaltimes USA
Owners Review : Don's Seiko Limited Edition 1000m 'Golden Tuna' S23626
Does anyone actually use the Seiko lubricants? - Lubrication Tools and Products - Watch Repair Talk
Seiko S3 Silicone grease alternative? - Watch Repairs Help & Advice - Watch Repair Talk
Conclusion Seiko 7S26 SKX Divers Service and Lubrication
Seiko Tools — Plus9Time
Seiko] Where do you find watchmakers who won't massacre your watches? : r/Watches
Seiko S-916 Silicon Watch Grease Greaser With Applicator O Ring Gaskets -hw487 for sale online
A Seiko 5 Sports 7019-6030 from May 1970