The SINN Achilles Chronograph 157.EZM-4 157.12859 is a mission-ready automatic watch engineered for emergency responders. Featuring a black dial with multicolor timing scales, robust stainless steel case, and chronograph function, it's built for precision under pressure. Brand: SINN Model: Achilles Chronograph Reference: 157.EZM-4 Serial No.: 157.12859 Condition: Excellent Condition Details: Light signs of use, including subtle surface marks barely visible to the eye. Please see photos for the exact condition. Dial Colour: Black Case Material: Stainless Steel  Starp Colour: Silver Strap material: Stainless Steel  Movement: Automatic Face Width: 44 x 40 mm Approx. max circumference: 19 cm  Comes With: Box, brand booklet, certificate, extra links, service card