Model: Explorer IIReference: 16570Date: Circa 1993Movement: 31-jewel Cal.3185 automatic, adjusted to 5 positions and temperatures, No.660****Dial: White, luminous filled black dot hour markers, baton quarters, black outer minute divisions, magnified date aperture at 3, black Mercedes hands with luminous inserts, centre seconds, red arrow tipped dual time hand Case: Brushed and polished tonneau form, screw down back, 24-hour markers to bezel, No.S19****Strap/Bracelet: Brushed 78360 Oyster linkBuckle/Clasp: Signed folding clasp, stamped S 4Signed: Case, dial & movementSize: 39mm