From the Manufacturer The US designer Calvin Klein and the Swatch Group pooled their formidable talent in 1997 to create cK watch, a watch brand with graphic lines that are striking, refined and contemporary. A new and inimitable watch was born - the fashion accessory watch. Case: Matte black PVD coated stainless steel Case back: Stainless steel, snap-down Bezel: Matte black PVD coated stainless steel Dial: Black Hands: Black, with a red luminescent fill Markers: Black indices, with a red luminescent fill Calendar: Date display window at the 3 o'clock position Strap Black fabric, with a leather backing Clasp: Pin buckle Crystal: Mineral Crown: Push/pull Movement: Swiss quartz Water resistance: 10 ATM/100 meters/330 feet Case measurements: 42 mm in diameter x 11.5 mm thick Strap measurements: 21.5 mm wide x 8 inches long Box measurements: 3 inches wide x 4 inches long x 2.5 inches high Model: K5Y31ZB1