Calibre Men's SC-4M1-13-007 Mauler Black Ion-Plated Coated Stainless Steel Chronograph Tachymeter Day Date Watch Chronograph with 30 min counter, day and sub seconds Date window at 4 o'clock Tachymeter on inner bezel Black ion plated coated stainless steel case and clasp; luminous hands Water resistant to 165 feet (50 M): suitable for swimming and showering