Frederique Constant FC-312B4S4 Slimline Automatic Heart Beat Automatic Men's Watch CALIBRE Longines Calibre L595/592 revealing the inner workings of

revealing the inner workings of the automatic FC-310 movement

The grey dial with no numerals gives a modern touch

Featuring a stylish grey dial with luminous hands and a chronograph function

The Mido Multifort M0326073605099 is a stylish and practical timepiece suitable for both men and women

The silver dial with Arabic numerals is complemented by a date function and power reserve display

Frederique Constant FC-312B4S4 Slimline Automatic Heart Beat Automatic Men's Watch CALIBRE Longines Calibre L595/592 revealing the inner workings ofThe Frederique Constant Slimline Heart Beat Automatic FC 312B4S4 is a men's watch featuring a 40mm stainless steel case with rose gold PVD coating. It has a black dial with an open balance wheel at 12 o'clock, showcasing the automatic movement. The watch is powered by the FC 312 caliber, offering a 42 hour power reserve. Additional features include a sapphire crystal, 30m water resistance, and a black leather strap with a pin buckle clasp. Reference