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