Aeromaster Dusk Chronograph - 42 mm | reference 656.18.98 The Aviatis Aeromaster Dawn is a bold and distinctive watch designed for professionals. Dimensionally the 42mm 316L (black PVD treated) steel case is well proportioned without being too imposing. What makes this timepiece so elegant is the sporty retro style brown dial with contrasting beige (Superluminova coated) numerals, hands and markers. Other impressive features include two separate day/date windows, tachymeter scale, chronograph timers and sapphire crystal lens. At the heart of the watch is a Swiss made self-winding Valjoux ETA 7750 mechanical movement. This calibre comprises 25-jewels and oscillates at a frequency of 28,800 vibrations per hour (4Hz). Specifications: - The sporty-robust design and high-tech features make this model the ideal instrument for pilots and professionals - The black PVD case combined with the contrast elements on the dial add a modern touch to this timepiece - The nostalgic brown dial and typical Fortis aviation hands resemble the early days of aviation and the pioneering history of Fortis Movement: Automatic Swiss movement, ETA 7750 Dial/hands: Sunray dial, raised numbers and indices, hands, two dots at 12 h and indices at 3, 6, and 9 h coated with white Superluminova, green afterglow Case: 42 mm Ø stainless steel, black PVD, with glass caseback, sapphire crystal, anti-reflective coating on both sides, water resistant 20 bar Functions: Chronograph, hour, minute, permanent small second, 12 hour and 30 minute counter, day/date indication, tachymeter Included attachment: Black PVD coated metal stainless steel bracelet Packaging: Leather box, instruction manual including international warranty Options: Leather strap, leather performance strap, rubber strap