A mechanical self-filling machine. Caliber CH 28-520 C FUS. Chronograph flyback. Central chronograph hand. 60 minute counter. Dual time zone mechanism shows local time and residence time. Slots for displaying day/night indication of local time and residence time. Scorpion indicates the local date. DIAL Black gradient dial, gold-tone applied hour markers with luminescent coating. cover solid. Tie-down crown. The case back is sapphire crystal. Water resistance up to 120 metres. Case diameter (4-10 o'clock): 40.5 mm. Height: 12.53 mm. STRAP steel bracelet