Gehäuse: screwed Stainless Steel Case, Back engraved with 3 Crowns , 0004 and 10511 Zifferblatt: black original Dial, luminous arabic Numerals, Sweep Second, Hack Feature, white luminous Hands Werk: 17 Jewel Movement, Cal. 2750 PA ( ETA ), Shock - Protection Incabloc Band: original Leatherband