Lovely watch from the 1970's. The watch is marked Potens de luxe and 17 jewels on the square dial. The dial measures 1.4 x 1.4cm The watch face has a cubistic mid century design and measures 5 x 3.3cm. The back is marked 0.800 for third grade silver. The 'strap' is a silver bangle with a hinge and a hook clasp for easy entry and is also marked 0.800. The inner diameter is 5.7 x 4.3cm. It is in working condition and keeps the time perfectly. Please take a good look at the photos for all details. We leave all jewellery in their original state; we leave the cleaning and polishing up to your taste. All items are checked in-house by our jeweller and gemmologist. We cannot give any guarantee for the movement.