Unique time zone quick setting and permanent home time display, Big date display. Screw down security crown.Unique time zone quick setting and permanent home time display, Big date display. Screw down security crown. Ref. Nr. 246-55-8/32 Diameter 42 mm Case 18 ct rose gold case Dial Black dial Movement UN-24 Power-reserve Approx. 42 hours Winding Self-winding Water-resistant 100 meters Crystal Sapphire crystals Strap 18 ct rose gold bracelet Buckle type Deployant clasp