ClockSavant Watch Collecting, Servicing, & Repair Blog

Servicing a Seiko 5126-6010 Sports from 1969

Servicing a Seiko 5126-6010 Sports from 1969

by Eric Greenberg
I recently serviced this very nice Seiko 5126-6010 Sports from 1969 for a ClockSavant customer (fellow Instagram’er @chronopal.) The Seiko 5126 mov...
Improper servicing-- oil, dirt, rust, and residue

Improper servicing-- oil, dirt, rust, and residue

by Eric Greenberg
To see the video for this watch and complete picture, visit the ClockSavant Instagram page and this post.  This watch was serviced by a popular wat...
Servicing a Seiko 6139-7010 Speed-Timer Chronograph from 1970 - Battling corrosion and chemicals

Servicing a Seiko 6139-7010 Speed-Timer Chronograph from 1970 - Battling corrosion and chemicals

by Eric Greenberg
I recently fully serviced this Seiko 6139-7010 Speed-Timer Chronograph for a ClockSavant customer. This particular watch is one of the first Seiko ...
Servicing a Seiko Rally 6106-8227 with sentimental value and its own story

Servicing a Seiko Rally 6106-8227 with sentimental value and its own story

by Eric Greenberg
A customer contacted me to see if I could help him. His watch, this Seiko Rally 6106-8227, had a great deal of sentimental value to him and it had...
Servicing a 1943 Rolex Bubbleback Calibre 645

Servicing a 1943 Rolex Bubbleback Calibre 645

by Eric Greenberg
I recently fully serviced this beautiful 1943 Rolex Bubbleback. The Rolex bubbleback represents one of the earliest examples of Rolex’s Oyster cas...
Servicing the Blancpain Flyback Chronograph based on the F. Piguet calibre 1185 (Blancpain F185)

Servicing the Blancpain Flyback Chronograph based on the F. Piguet calibre 1185 (Blancpain F185)

by Eric Greenberg
I recently fully serviced this Blancpain Flyback Chronograph with a modified F. Piguet 1185 movement. This watch is not for sale.  When originally ...
Servicing the Seiko 6309-7049

Servicing the Seiko 6309-7049

by Eric Greenberg
I recently fully serviced this Seiko 6309-7049 vintage diver for a ClockSavant customer.  This watch is now performing superbly with excellent perf...
Servicing a Seiko Kakume 6138-0030 chronograph including example of an un-level hairspring

Servicing a Seiko Kakume 6138-0030 chronograph including example of an un-level hairspring

by Eric Greenberg
I just completed servicing this very nice for a ClockSavant customer. Like so many of these vintage Seiko’s, it required a reasonable amount of wo...
There is a big bag of dirty tricks for getting a watch running but only one way to do it well

There is a big bag of dirty tricks for getting a watch running but only one way to do it well

by Eric Greenberg
Much of the watch servicing people are purchasing is a shortcut, botch, or straight misrepresentation. There is a big bag of dirty tricks for getti...
Back to work, polishing and burnishing on Horia turns

Back to work, polishing and burnishing on Horia turns

by Eric Greenberg
It’s Monday, time to get back to work. In these pictures I’m polishing and burnishing a watch center wheel pivot on the Horia turns. When using an ...
Servicing a vintage Seiko 7548-7010 quartz divers watch

Servicing a vintage Seiko 7548-7010 quartz divers watch

by Eric Greenberg

Damaged chronograph jewel hiding in plain-sight - chronograph servicing

Damaged chronograph jewel hiding in plain-sight - chronograph servicing

by Eric Greenberg
This is the jewel for a vintage chronograph’s center second hand under approximately 60x-to-100x magnification on a very high quality microscope w...