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. Water-resistant up to 3 bar, this model is comprised of a 40mm stainless steel case and bracelet with a triple-safety folding clasp and push-piece opening mechanism. It is powered by L888 caliber automatic movement with a power reserve of approximately 72 hours. Sealed by scratch-resistant sapphire crystal, the blue sunray dial exhibits a date window at 3 o'clock, applied indexes, and silvered polished hands. 40mm stainless steel case and bracelet with a triple-safety folding clasp and push-piece opening mechanism Transparent sapphire crystal case back Scratch-resistant sapphire crystal Thickness: 9.8mm Weight: 144.7 gram Lug Distance: 21mm Blue sunray dial with a date window at 3 o'clock, applied indexes, and silvered polished hands L888 caliber automatic/self-winding mechanical movement beating at 25'200 vibrations per hour Power reserve of approximately 72 hours Swiss made Water-resistant up to 3 bar Longines Style #: L27934926.