Ref #: WGCAS00455
Luminor 1950 GMT Ceramic (PAM00441)
The Panerai Luminor 1950 GMT (ref. PAM00441) features the P.9001 caliber mechanical automatic movement with an approximate three-day power reserve when fully wound; black "sandwich" dial; date aperture at 3 o'clock; small seconds subdial at 9 o'clock; dual time zone function with center GMT hand; sapphire-crystal, transparent case back displaying the power reserve indicator; and 44mm, black ceramic case on a brown leather strap with an oversized, ardillon buckle.
About the P.9001 Caliber Movement:
The P.9001 is a more complicated variant of Panerai's now iconic P.9000 automatic caliber with several additional features: GMT, or rather a second time zone, indicated by a central hand, seconds reset and a circular-shaped power reserve indicator on the case back.