Longines combines the traditional aesthetic of the brands original timepieces with cutting-edge watchmaking technology. The Record Collection combine elegance and watchmaking excellence, and all pieces in the collection have been certified ‘chronometer’ by the Swiss Official Chronometer Testing Institute (COSC). Stainless Steel 40mm case. Black Dial. Water Resistant 30m. Automatic Calibre L888.4 movement. 64 hour power reserve. Ref: L28214562. Product Information Brand: Longines Movement: Automatic Case Material: Stainless Steel Case Size: 40mm Type of Strap: Black Leather Glass Material: Sapphire Crystal Dial: Black Water Resistant: 30m Gender: Mens 4