Noticeable throughout the caseback, the oscillating mass of the motion is delicately engraved. It is created from eighteen-karat gold and decorated by hand having a barley grain pattern, accomplished by guilloche A gold Model includes a black dial and black leather strap, and also an 18-karat gold pin-buckle We've been https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/