Tank Francaise watch, medium model, quartz movement. Steel case, yellow gold octagonal crown set with a synthetic cabochon spinel, silver-grained dial, blued-steel sword-shaped hands, sapphire crystal, yellow gold and steel bracelet. Case dimensions: 30 mm x 25 mm thickness: 6.65 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).