Longines Classic Collection Swiss Made Automatic Watch With An Alligator Leather Strap, 40mm Case & A Silver Coloured Dial With A Date Window. Long experience meets vast expertise 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: 21 mm Weight: 69.4 g Hands: Blued steel hands Caliber: L888 Movement: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve of approximately 72 hours Functions: Hours, minutes, seconds and date Buckle: With triple safety folding clasp and push-piece opening mechanism