ESA Caliber 940.111

Brand	ESA
Caliber Number	940.111, 940111
Movement Type	Quartz
Lignes	12.5”’
Diameter	28mm
Thickness	3.7mm
Jewels	7
Battery Cell	390
Functions	Hours, minutes, date at 3:00
Country of Manufacture	Switzerland
Known Models	Add yours in the comments below…

ESA caliber 940.111 quartz movement found in a vintage 14K gold Baume et Mercier watch (ref: 651125). The movement in the B&M was signed BM12100 / Seven 7 Jewels Unadjusted / Swiss / V8.

ESA aka Ebauches S.A produced movements for brands such as Omega, Eterna, Certina, IWC, Longines, Tissot, Zenith, and more.

Battery Changing:

The ESA caliber 940.111 takes a battery cell number 390. you will need to remove the screw holding the tab. The battery cell should be positive side down. Putting the tab back in place is easy thanks to a notch that holds it in place while you tighten the screw back down.