Keyless work AKA winding and setting
Click and ratchet assembly
Checking for damaged jewels and bushings
Mainspring and barrel
The mainspring provides the power for the movement, it is one of the most important and and frequently overlooked parts of a mechanical timepiece. The mainspring is contained in the barrel and wound by the arbor. The barrel components consist of the […]
Old enameled dials often have broken or missing dial feet, fine hairline cracks, and broken out or loose center or seconds bits. Most dials will have some small chips some place on their surface, especially between 12:00 […]
Watch movement size conversion chart
There are three major ways in which watch movements are measured Ligne, mm, and American.
1 ligne = 2.256 mm.
American movement […]
some erratic operation causes
Watch not cleaned and oiled properly.
Bent wheels or bad tooth on wheel or pinion.
Hands hitting on face, together, or on crystal.
Some things that can make a watch gain
Watch not properly cleaned and oiled.
Oil on hairspring.
Watch is magnetized.
Hairspring coils rubbing […]
It is always best to remove the hands when cleaning the dial or to straighten them.
To straighten hands, use sharpened peg wood and tweezers, hold hand steady by inserting peg wood through […]