the time Self filling machine with date. Caliber CH 28-520 C. DIAL Blue gradient dial, gold-tone applied hour-markers with luminescent coating. cover Solid/rose gold. Connect button to adjust. The case back is sapphire crystal. Water resistance up to 120 metres. Case diameter (10-4 o'clock): 40.5 mm. Height: 12.2 mm. STRAP solid/rose gold