ClockSavant Watch Collecting, Servicing, & Repair Blog

Servicing a vintage Seiko 6105-8000 diver - clean on the outside does not mean clean on the inside

Servicing a vintage Seiko 6105-8000 diver - clean on the outside does not mean clean on the inside

by Eric Greenberg
I recently serviced this vintage Seiko 6105-8000 diver for a ClockSavant customer. He is a very experienced collector who “gets it” and as we will ...
Servicing a Rolex 1601 Datejust Calibre 1560 from 1963

Servicing a Rolex 1601 Datejust Calibre 1560 from 1963

by Eric Greenberg
I recently serviced this Rolex 1601 Datejust Calibre 1560 from 1963 for a ClockSavant customer. The calibre 1560 was the predecessor to the more co...
Servicing a Vietnam-era Benrus Type II Class A Mill-W-50717 vintage watch

Servicing a Vietnam-era Benrus Type II Class A Mill-W-50717 vintage watch

by Eric Greenberg
This is a Vietnam era Benrus Type II Class A Mill-W-50717 military watch that I recently serviced for a regular ClockSavant customer. If you go bac...
Servicing a Timefactors Precista PRS-82 Royal Navy Diver with ETA 2783

Servicing a Timefactors Precista PRS-82 Royal Navy Diver with ETA 2783

by Eric Greenberg
This is a very nice Timefactors Precista PRS-82 Royal Navy Diver that I serviced for a ClockSavant customer. This is a re-edition (homage) of the l...
Servicing a watch can be very hairy

Servicing a watch can be very hairy

by Eric Greenberg
Servicing a watch can be very hairy. These pictures/video show hair in a watch movement attached to the wheels. When enough hair gets inside, it li...
Vintage watches and the roots of mechanical timekeeping-- accuracy, reliability, and functioning matter

Vintage watches and the roots of mechanical timekeeping-- accuracy, reliability, and functioning matter

by Eric Greenberg
While today mechanical timekeeping is a hobby, interest, or fashion item for many, its roots are in delivering the mission-critical function of tim...
Bovet Valjoux 77 Chronograph from 1950, will it rise again?

Bovet Valjoux 77 Chronograph from 1950, will it rise again?

by Eric Greenberg
This Bovet Valjoux 77 chronograph from 1950 is in-queue to be serviced and restored, it’ll be a while before you see it again. As you can see, it s...
Elgin 18s Pocket Watch from 1911, a family heirloom following a difficult path

Elgin 18s Pocket Watch from 1911, a family heirloom following a difficult path

by Eric Greenberg
This Elgin 18s pocket watch from 1911 is a family heirloom. Passed-down from multiple generations, it has great meaning to its owner. It came to me...
Servicing a Benrus Type I Class A military watch from 1975 with some interesting twists

Servicing a Benrus Type I Class A military watch from 1975 with some interesting twists

by Eric Greenberg
I completed servicing of this Benrus Type I Class A military watch from 1975 for a ClockSavant customer. These watches are “mono bloc.”  The moveme...
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 ...