The signature feature of the Koppel 317 chronograph in black is the white dots, in place of numerals and the white hands which naturally illuminate against a black dial. The inversed elegance of the Koppel 317 chronograph in black, coupled with the pure simplicity of the original Koppel 317 chronograph with white dial and black dots, ensures that the Koppel collection gives the wearer the versatility to create the correct expression with their attire. The Koppel 317 chronograph measures 38 millimitres. The watch is fitted with a black calfskin strap with steel pin buckle. Strap size Medium is mounted on the watch. Swiss Made. Type: Chronograph with date. Movement: ETA Quartz 251.272 H1. Case: 38 mm, Stainless steel. Crystal: Sapphire. Dial: Black laquered. Strap: Black calfskin with steel pin buckle. Thickness: 11 mm. Water resistance: 3 ATM. Launch year: 2007.