Revue Thommen Automatic Watch pairs a robust 47 mm stainless steel case with reliable automatic movement and 30 ATM water resistance, built for demanding use and everyday wear. Key attributes: Gray | Stainless steel | Automatic movement | Water resistance: 30 ATM | Date display | Folding clasp | Sapphire crystal glass | Round case | Dimensions & fit: Case diameter: 47 mm | Composition & care: Stainless steel (case) | Stainless steel (bracelet) | Sapphire crystal (glass) | Wipe with a soft cloth. Avoid contact with chemicals. Have the automatic movement serviced by an authorized technician at regular intervals.