ROLEX Cosmograph Daytona RO0221

[movement] disassembly of original cal.4130 movement.

1 realize the powerful timing function of the original 4130 movement.

The two structures are 95% identical and the position of the balance wheel is synchronous.

3. The thickness is consistent with the original one, so stable that there is almost no repair.

[details] the 904L steel is plated with 2n18 thick gold,

The color is more mellow and deep. Colorful, close to the original.

2 coating is more hard, wear-resistant and rougher resistant, and its thickness is close to that of gold coating.

Three mirrors, high transparent sapphire crystal glass.

4. It has the anti-counterfeiting invisible shipping mark at six o'clock position.

5 oyster safety buckle with 5mm adjustable chain extension system.