Glashutte Original, Senator Calendar, Reference 100-06-13-02-04, Reset Function, Day, Month, Panorama Date and Moon Phase, Center Seconds, Stainless Steel on a Strap with a Stainless Steel Double-Foldover Buckle, Automatic Movement Caliber 100-06, Display Back, Diameter: 39.4 mm, Thickness: 10mm, Silver Dial with Applied Silver Index Numerals, Sapphire Crystal, Water Resistant to 5 atm, Excellent condition but watch only.