What screwdriver size do most watch bracelets use?

Most modern screwed bracelets use flat-head drivers between 1.2 mm and 1.8 mm. 1.4 mm, 1.6 mm and 1.8 mm are the most common.

How do I avoid stripping the screw?

Use the largest blade that fully fills the slot without overflowing. Apply firm downward pressure and turn slowly.

Are the screws the same on both sides?

Some bracelets have single-sided screws (slot on one side only); others are double-sided. Always check before starting.

Watch Bracelet Screw Size Finder – Screwdriver Blade Guide

Screw size finder

Brand / bracelet type Screw type

Common sizes at a glance

0.8 – 1.2 mm

Smaller / older / fine dress bracelets

1.4 mm

Many Tudor, some modern sports

1.6 mm

Very common (Rolex Oyster, many others)

1.8 mm

Omega and some larger sports bracelets

Always test-fit the blade. The ideal size completely fills the slot without protruding past the edges.

Good practice

Use a quality watchmaker’s screwdriver (Bergeon, Horotec, etc.)
Support the bracelet firmly so it cannot twist
Apply downward pressure while turning
Turn slowly – never force a stuck screw
Keep a magnet or parts tray ready – screws are tiny

Wrong size or poor technique easily strips the head. If the screw does not turn freely, stop and reassess the blade size or seek professional help.

Frequently Asked Questions

What size screwdriver for most Rolex bracelets? Typically 1.6 mm for Oyster links; Jubilee and President can be closer to 1.4 mm on some generations.

What about Omega? Many modern Omega bracelets use around 1.6–1.8 mm. Always confirm on your specific model.

Can I use a smaller blade? Possible in a pinch, but it increases the risk of cam-out and damage. Better to use the correct size.

Are all bracelet screws the same? No. Link screws, end-link screws and case screws can differ even on the same watch.

Watch Bracelet Screw Size Finder – Screwdriver Blade Guide

Screw size finder

Common sizes at a glance

Good practice

Frequently Asked Questions

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