Longines Master Collection Swiss Made Automatic Watch With A Stainless Steel Bracelet Strap. 44mm Case & A Sunray blue Coloured Dial With A Date Window. As a traditional watchmaking company, Longines has been producing exceptional timepieces since the very beginning. Today, the Longines Master Collection is the perfect illustration of this corporate ethos, as can be seen from the success enjoyed by this range since it was launched in 2005. All fitted with self-winding movements, the various models in this collection offer many special features. The Longines Master Collection brings together the classical elegance and excellent quality which never cease to delight those who appreciate exceptional timepieces. Case Back: Transparent case back with sapphire crystal Lug Distance: 22 mm Weight: 196.2 g Movement: Self-winding mechanical movement beating at 28'800 vibrations per hour, with a power reserve of approximately 66 hours Function: Hours, minutes, small seconds at 9 o'clock and date Chronograph: Column Wheel Chronograph Chronograph Function: Chronograph mechanism: central 60 seconds hand, 30 minutes counter at 3 o'clock and 12 hours counter at 6 o'clock