Presage 6r27-00a0 Automatic Watch With Power Reserve Indicator Mens Dress

The case diameter (width) is approximately 1.57 inches to 1.59 inches.
The thickness is approximately 0.50 inches to 0.51 inches (using thick sapphire glass).
The lug width (belt mounting width) is 0.79 inches.
The wrist circumference is 7.09 inches (currently, it is the same shape, but links from another model are attached to make it 7.48 inches).
Features include a skeleton back (see-through back) and automatic winding (with manual winding).
Movement: Caliber 6R27 (automatic winding/manual winding, 29 jewels).
Oscillation frequency: 28,800 oscillations/hour (8 oscillations), which is higher than the typical 6R15, pursuing smoother hand movement and higher accuracy.
Power reserve: Approximately 45 hours, with a power reserve indicator at the 9 o'clock position on the dial.