Pure mechanical prowess is on full display with the skeleton dial of the Delphi Mechanical 458G. Case Size: 40mm The fully mechanical hand-wind movement powers the Delphi Mechanical 458G with ease and eye-catching beauty. The classic three-hand movement, with luminous fill and set against a skeleton dial, keeps the focus on your time. With two 20mm alligator embossed leather straps included, the Delphi Mechanical 458G will match any outfit in need of a bold timepiece.