The Nomos Ahoi Datum ($4500) is a beautifully minimalist sport watch. The Ahoi has a Tangomat dial which has the seconds dial and the date at the 6 o’clock position. The watch is on the larger side at 40mm in diameter and 10.6 mm thick. It is also water-resistant to 200 meters. Additional features include a screw down crown, with guards on either side, a domed sapphire crystal on the front and back, luminescent hour markers and hands, and a waterproof nylon strap. The Nomos Ahoi Datum is style and functionality in a single package.