Wenger Mens AquaGraph Deep Diver Watch. Wenger Mens AquaGraph Deep Diver Swiss Watch This distinguished mens AquaGraph Deep Diver watch by Wenger, maker of the Swiss Army Knife, features a classy black dial and stainless steel bracelet. Made in Switzerland with Swiss quartz movement, this watch is accurate to 1/10 of a second per day. Additional features include: water-resistance to 1000m (3330 ft.), a useful date display, luminous hands, numerals and markers that recharge in seconds, a unidirectional rotating bezel with a luminous marker at zero position, scratch-resistant mineral crystal, a solid stainless steel case with screw-down crown and screw-on back to ensure water resistance, a solid 5-link stainless steel bracelet with divers buckle and safety clasp, and a three year warranty. Case: Stainless steel Caseback: Stainless steel screw-down Bezel: Black with luminous zero marker Dial: Black Hands: Silver, luminous Markers: Luminous Arabic numerals and dots Calendar: Date display at 4:30 Bracelet: Stainless steel Clasp: Divers clasp Crystal: Mineral Crown: Screwdown Movement: Swiss quartz Water resistance: 20 ATM/200 meters/660 feet Case measurements: 43 mm wide x 43 mm long x 12 mm high Strap measurements: 22 mm wide x 8.5 inches long Model: 70996 Warranty: three year manufacturer A screw-down crown (knob) creates a water-resistant seal. To unscrew the crown, turn counter-clockwise and pull/push into position to set time, date, and other functions. To close the crown, press it against the case and turn clockwise.