Analog Silver Dial, Unisex Co-Axial Chronometer Automatic Movement with 25Jewels beating at 25200 vph, Approximate Power Reserve: 48 hours, Omega Calibre 2500 movement based on ETA 2892 A2, Stainless Steel Case, Fixed Bezel in Yellow Gold Plated Tonneau Style (18kt Yellow Gold Links), Silver Dial with Yellow Gold Tone Dauphine Hands and Index Hour Markers including Roman Numerals at Key Positions (3,6,9,12), Date Display at 6 O'clock Position, Sapphire Crystal Scratch Resistant Glass, Pull/Push Crown, Solid Case Back, Round Case Shape measuring 36.8mm Diameter by 15mm Thickness, Band Width: 20.3mm, Length Adjustable up to approximately 8 inches (date indicates adjustment capability), Fold Over Clasp with Push Button Release mechanism for secure fastening, Water Resistant to 30 meters / 100 feet depth suitable for splashing or light rain.