Technical

Mainspring and barrel

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 […]

Mainspring and barrel2019-09-14T12:42:09-04:00

Repairing Enameled Dials

Repairing Enameled Dials

    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 […]

Repairing Enameled Dials2019-09-14T12:42:09-04:00

Watch movement size conversion chart

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 […]

Watch movement size conversion chart2019-09-14T12:42:10-04:00

some erratic operation causes

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 erratic operation causes2019-09-14T12:42:10-04:00

Straightening hands

Straightening hands

 

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 […]

Straightening hands2019-09-14T12:42:10-04:00

Fitting odd shaped crystals

Fitting odd shaped crystals

 

First, remove movement, band, and anything else such as a rotating divers bezel from case.

Fitting an odd shaped crystal. (1) Remove old crystal from bezel. (2) Remove all old glue […]

Fitting odd shaped crystals2019-09-14T12:42:10-04:00
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