The Omega De Ville Hour Vision 431.33.41.21.03.001 on the black leather strap is the same blue dial Hour Vision with a strap swap. The sapphire side windows, the grooved hour track, and the 8900 movement are unchanged. The black strap changes how the watch presents. The blue dial on a matching blue strap reads as a coordinated dress watch. The blue dial on a black strap reads as more formal. Higher contrast. The black pulls the dial blue forward instead of blending into it. VSF Watch got the case construction and the dial right.
| Spec | Detail |
|---|---|
| Factory | VSF Watch |
| Reference | 431.33.41.21.03.001 (De Ville Hour Vision 41mm, blue dial, black leather strap) |
| Movement | Dandong 8900 automatic, 1:1 clone, independent jumping hour hand |
| Case dimensions | 41mm diameter |
| Material | 316L stainless steel with sapphire side panels |
| Bezel | Fixed stainless steel, smooth |
| Dial | Blue sunburst with grooved rhodium-plated outer ring, polished faceted indices, date at 3 |
| Strap | Black leather with stainless steel deployant clasp |
The case. The Hour Vision has sapphire panels set into the sides of the steel case. The front crystal, the caseback, and the side windows together create a near-360-degree view of the movement. The case is 41mm in polished and brushed steel. The crown is a fluted push-pull. No crown guard. At roughly 13.5mm thick, it fits under a dress cuff.
The dial. Blue sunburst center with a raised rhodium-plated outer ring that has fine concentric grooves. The faceted baton indices sit on the grooved ring and the rhodium-plated dauphine hands match. The blue shifts from bright in direct light to darker navy in shadow. The date at 3 has a polished surround.
The strap. Black leather instead of blue. The black creates more contrast against the blue dial and reads more formal. The blue-on-blue version is more casual. The black strap shifts the Hour Vision toward evening wear and suits. The deployant clasp is polished steel.
The movement. Dandong 8900 automatic with the independent jumping hour hand. Dual barrels. The hour hand jumps in one-hour clicks for time zone changes without stopping the running seconds. The date is linked to the hour hand. The movement is visible through the caseback and the side sapphire windows. Geneva wave finishing. Blackened screws.