the time A mechanical self-filling machine. Caliber 240 HU. DIAL Dial: Charcoal gray painted, galuchat, gold applied hour-markers. cover White gold. The case back is sapphire crystal. Water resistant to 30 metres. Case diameter: 38.5 mm. Height: 10.23 mm. STRAP Strap: Crocodile leather with square markings, hand-stitched, glossy black. Foldable buckle.