Nomos Glashutte Watch Club Automat Datum Atlantik Sapphire Crystal 776. Club Automat Datum is the non conformist among NOMOS watches, one that likes being a little rebellious in the ranks no watch from Glashutte is as reduced a timepiece with such intrinsic self worth and a super robust exterior. In the Aqua series this watch now shows what it is capable of, its case holds firm to 20 atm, so 200 meters, its numerals illuminate the time in the dark in green. The new blue black textile strap even fits in as an evening wear accessory. Within, working unphased, is automatic caliber DUW 5101 with ist patented date mechanism.