The Promaster Air is a pilot-inspired watchExplore the deepest depths with the Promaster Dive watch. Eco-Drive technology - runs on light never needs a battery replacement. Black polyurethane strap with traditional buckle closure. Black dial with luminous hands and hour markers. Day of the month calendar at the 4 position. Stainless steel case and one-way rotating elapsed time bezel. Anti-reflective mineral crystal is impact and shatter resistant. Lug width: 18mm. Case width: 36.5mm. Water resistant to 200 M. 5-Year manufacturer limited warranty. Please note: This item will ship within 6-10 business days.