The VSF version uses the listed Dandong 4131 clone movement in a 40mm case with an 11.9mm profile. That slim case shape helps the bracelet-led watch sit cleanly under a sleeve, while the ink-black lacquer dial and silver rings supply the contrast that makes the current Daytona design immediately recognizable.
The 904L Oystersteel case and Oyster bracelet remain cool and neutral, so the black Cerachrom bezel becomes a framing device rather than a separate color statement. A sapphire crystal with AR completes the clear, dial-forward presentation. This is the reference for a buyer who wants a sharp everyday chronograph with a full bracelet, not the warmer color or softer strap feel of an Oysterflex Daytona.