Tag Heuer watch service and repair in NH,MA,NY

Tag Heuer Basic service procedure,Correct way of replacing battery in water-resistant watches such as Breitling, Omega, Rolex

Important rules

Always ensure the crown is pushed right down and/or screwed tight before entering the water. Never use a chronograph function while in the water (unless the watch is designed for that purpose) as water could get into the movement.
A watch professional with the appropriate equipment can test a watch’s water-resistance.

Water-resistant: accidental splashing, slight humidity
Water-resistant to 10 meters: washing hands
Water-resistant to 30 meters: swimming
Water-resistant to 50 meters: showering, jumping in the water from a river bank, lake or poolside
Water-resistant to 100 meters: jumping from a diving board, jet ski, snorkeling
Water-resistant to 500 meters and more: any water activity

A hot shower exerts pressure of at least 5 bars (causing the gaskets to dilate because of the heat and pressure of the water)
Diving from 10 meters exerts 10 bars of pressure
Falling from a jet ski exerts between 5 and 10 bars

If you notice mist under the crystal or signs of oxidation on the dial, take your watch to a watch professional without delay.

First we open watch with factory key specially designed for Tag watches. Nobody like scratches on their watch	tag heuer case opener
Old battery removed
Pressing crystal out to remove crystal gasket
Crystal and case back gaskets removed.
Old crystal gaskets is so dry it breaks in little pieces.
Removing crown gasket
Old gaskets removed.
Now to parts search
Bingo
New gaskets compared to old
Inserting crystal with new gasket
Installing new case back gasket
New crown gasket
Applying Fomblin grease
Installing new battery
Battery holder
Well you know
And now for final pressure test, watch is tested to Factory specification
And that does it Battery replacement correct way.

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