IWC Aquatimer IW376708 45.6 mm Black Dial

The Aquatimer IW376708 takes the collection's dive-watch purpose and gives it substantial presence. Its black dial, stainless-steel case and matching bracelet form a clear instrument-like composition, while the screw-down crown and sapphire crystal keep the design focused on practical use. The 45.6mm case places this discontinued reference firmly in the XL category, with the broad format reinforcing its maritime character.

Inside, automatic calibre 79320 adds a chronograph to the simple date display, with day, date and small-seconds indications contributing to its busy but useful layout. The movement runs at 4Hz, contains 31 jewels and offers 44 hours of power reserve. A 15.2mm case and 120m water resistance complete a substantial package whose solid caseback keeps the mechanism out of sight.