Model: Riedenschild Watch - Riedenschild Advance Pro Chronograph 1117-01 Case material: Solid stainless steel case with screw down see through case back Case dimensions: 41mm (1 5/8") in diameter not including the crown; 13.5mm (1/2") in thickness Weight: 5.3 oz with metal bracelet, 3 oz with leather band Movement: Manual wind 30 jewel Gematic movement Crystal type: Highly scratch resistant sapphire crystal Crown: Push and pull crown Water resistant: 5o meters Face color: Black dial Band type: Two watch bands: stainless steel band with fold over safety clasp with push button and leather strap and a spare deployment clasp Lug size: 20mm Band length: Will fit 5 1/2 - 7 3/4" (metal bracelet), 5 1/2 - 7 1/2" (leather strap) wrist Additional features: Chronograph function: measures in 1 second intervals up to 60 minutes Warranty: 2 year warranty on all Riedenschild watches Items included: Original Riedenschild packaging with owner's manual warranty material