Holders for Balance Screws 0.90 mm Omega® 13 OM The English Time and Tide

The English Time and Tide Dial 7 7/8" is white with black writing in the English language

the day indicator is at the 9 o'clock position

5 1/2" (14cm) Warding Needle File cut 5 Swiss Pattern is a warding file

The center shaft has a diameter of 7

Genuine Omega® date indicator driving wheel

Holders for Balance Screws 0.90 mm Omega® 13 OM The English Time and TideHolders for Balance Screws 0. 90 mm is a specialized slide locking pin vise specifically designed to hold balance screws. Many of the older watches were designed with balance screws, which need adjustment to ensure an even oscillation of the balance wheel. This holder is designed to hold a balance screw with a head diameter of 0. 90 mm. Total length of this pin vise is 115 mm.