Diver One - Skeleton - Ref. 231301Building an automatic watch is a challenging task, but with our complete sets you will receive the prepared components for assembly, a full tool kit and detailed step by step instructions. All you need is a steady set of hands and a bit of patience, to complete this kit! The D1 now as skeletonized diver watch with an ruthenium grey NH 72A automatic watch movement. To provide you with full visibility, this kit is using a thin sapphire dial, enabling