Analog Mother of Pearl Dial with Silver-tone Hands. 18kt White Gold Round Case Size 21.50mm Thickness 8.23mm. Black Leather Strap with Fixed Diamond-set White Gold Bezel. Blancpain Calibre 615 Automatic Movement with 29 Jewels, Biting Rate 21600 vph. Approximate Power Reserve 38 Hours. Scratch Resistant Sapphire Crystal. Pull/Push Crown. Band Width 11mm. Buckle Clasp. Water Resistant at 30 meters / 100 feet.