The Panerai Luminor Tre Giorni has a 47mm patina steel case and a shaded gray dial featuring luminous Arabic numerals and hour markers. It has a water resistance of 10 bar and is powered by a hand-wound mechanical movement, specifically the P.3000 calibre with 16½ lignes, 5.3mm thickness, 21 jewels, and a Glucydur® balance. It also includes an Incabloc® anti-shock device and boasts a power reserve of 3 days with two barrels. With 161 components, this watch also has a see-through sapphire crystal caseback and a steel buckle on its dark brown calf strap.
