The Sector 650 Chronograph R3273631005 is a men's watch featuring a 45mm black IP stainless steel case and a matching black stainless steel bracelet. It operates on a quartz movement and includes a chronograph function, 12/24-hour display, and a date display. The black dial is protected by a mineral crystal and is equipped with luminous hands and markers for enhanced readability. Additional features include a tachymeter scale and a screwed case back. The watch offers water resistance up to 100 meters. Reference number: R3273631005.