Seen with the caseback, the oscillating mass in the motion is delicately engraved. It is made out of eighteen-karat gold and decorated by hand with a barley grain sample, performed by guilloche A gold Model contains a black dial and black leather strap, and an eighteen-karat gold pin-buckle We're delighted https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/