The GX-Diver's 44mm Crater Gray features a unique gray dial, an Elaboré grade, 26-jewel Swiss automatic movement, date cyclops magnification, a 42-hour power reserve, a gray surgical grade 316L stainless steel case with skeleton case-back, unidirectional 120-click matte gray bezel ring, a scratch-resistant & anti-reflective sapphire crystal, a screw-down crown, and water-resistant to 300 meters.