TAG HEUER CONNECTED, A DISPLAY DESIGNED TO MEET YOUR DESIRES Integrated into the bold round steel case, the sapphire crystal case produces a flawless infinity display effect and incorporates a silver timer. Personalized luxury, FULLY OPTIMIZED The 42 mm steel case with alternating finishes, steel pushers and crown take this innovative model to a new dimension, Ready for any challenge, the ergonomic rubber strap with folding clasp and safety pushers is elegant, versatile and easy to change, Caliber E4 - 42 mm.