Case: 42.5 mm Stainless Steel case with display case back. Movement: Vacheron Constantin automatic Dial: Translucent blue-lacquered, sunburst satin-finished base with velvet-finished flange. white gold hour markers and hours & minutes hands highlighted with white luminescent material. Strap: Stainless steel bracelet. Delivered with an additional blue rubber strap, a blue alligator strap nubuck lined and with an interchangeable stainless steel folding clasp.