Tissot 

watch case back no 43- 44620-1X    

Case comes from  Omega sevice centre during the 1980s when they moved from Hatton garden to there present location

This is a genuine item and it is backed with my money back guarantee.

I am Fully BHI Qualified to repair CLOCKS, POCKET WATCHES

 AND ALL TYPES OF BAROMETERS WITH 40 YEARS EXPERIENCE

 MY WEB SITE IS www.clockrepairs.net

 for contact details if you would like to discuss it on the phone please call me

on 0044( 0)7767777 101.

Good luck,

Based in Yalding Kent no far from

 Tunbridge wells and Maidstone.