The GX-Diver's 41mm Full Lume features a unique lume dial, an Elaboré grade, 26-jewel Swiss automatic movement, a date window, 42-hour power reserve, surgical grade 316L stainless steel case with skeleton case-back, unidirectional 120-click polished black bezel ring, a scratch-resistant & anti-reflective sapphire crystal, a screw-down crown, and water-resistant to 300 meters.