The TAG Heuer Connected E3 reference SBG8A11.BA0646 has a 45.00mm case containing Calibre E3, which is TAG Heuer's third-generation smart watch calibre.
Caliber
Calibre E3Shape
Round
Glass
Sapphire
Thickness
15.30 mm
Diameter
45.00 mm
Water Resistance
50.00 m
Dial Color
Multi-Color