ClockSavant Watch Collecting, Servicing, & Repair Blog

When you see a bad repair, assume the worst

When you see a bad repair, assume the worst

by Eric Greenberg
When I first encountered this crown, I incorrectly assumed the past watch repairer was simply sloppy and glued the rotating pinion (the brass part ...
Servicing a Seiko 6105-8110 Diver Vintage Watch

Servicing a Seiko 6105-8110 Diver Vintage Watch

by Eric Greenberg
This very cool Seiko 6105-8110 diver watch from fellow Instagram’er @mleong6 came limping-into the ClockSavant watch emergency rooms. Barely runn...
Inspecting a watch hairspring after manipulation (repair) and final installation

Inspecting a watch hairspring after manipulation (repair) and final installation

by Eric Greenberg
I posted to the ClockSavant Instagram page a video summarizing some of the final stages of hairspring manipulation. You can see the video and summ...
Seiko 6139-6009 Servicing

Seiko 6139-6009 Servicing

by Eric Greenberg
In my previous post I referenced a Seiko being serviced with an “extra jewel” ;-) floating in the movement. After addressing a few items, replacing...
Lost jewels and dirty mainsprings

Lost jewels and dirty mainsprings

by Eric Greenberg
Another installment in the “previous watchmaker” chronicles: Previous watchmaker looses cap jewel for balance. He replaces with an incorrect small...
Servicing a Seiko 6139-6005 Pogue Chronograph

Servicing a Seiko 6139-6005 Pogue Chronograph

by Eric Greenberg
This stunning Seiko 6139-6005 Pogue chronograph has completed its stay in the ClockSavant watch spa and retreat. It is now running in top condition...
Servicing the Seiko 6139 - Excessive Mainspring Barrel and Arbor Bushing Plate Wear

Servicing the Seiko 6139 - Excessive Mainspring Barrel and Arbor Bushing Plate Wear

by Eric Greenberg
The Seiko 6139 chronograph has become very popular amongst vintage collectors. The watch shown here, being serviced for a customer, demonstrates t...
Advanced lubrication techniques in watch servicing

Advanced lubrication techniques in watch servicing

by Eric Greenberg
This image demonstrates the use of two advanced lubrication-related procedures I perform when servicing certain modern movements. Lubeta is used to...
Universal Geneve Polerouter Calibre 215-2 Servicing

Universal Geneve Polerouter Calibre 215-2 Servicing

by Eric Greenberg
This is an absolutely beautiful Universal Geneva Polerouter calibre 215-2 from 1960 that I fully serviced for fellow Instagram’er @nostalgic_princi...
Saving a watch from a good shellacking - Universal Geneve (UN) Polerouter 215-2 Servicing

Saving a watch from a good shellacking - Universal Geneve (UN) Polerouter 215-2 Servicing

by Eric Greenberg
This is a follow-on to my previous post. Here we see the hairspring remedied and the serviced movement with the cleaned, manipulated, and repaired ...
Giving a watch good shellacking

Giving a watch good shellacking

by Eric Greenberg
Following-on to my previous posts on cheap botch servicing, here we have yet another watch I am servicing for a customer with a pallet having an in...
Watch servicing before-and-after and the law of unintended consequences

Watch servicing before-and-after and the law of unintended consequences

by Eric Greenberg
The image below shows the before-and-after ClockSavant servicing pictures for a Landeron 52 vintage column wheel chronograph. Under the law of un...