Case is in stainless steel at 44mm. This is a Four-Year Calendar, this mechanism needs adjusting just once every leap year – or every 1461 days; its functions sits in between an annual calendar and a perpetual calendar. Automatic Breitling Caliber 19 (based on the ETA 2892-A2), with vertical clutch. Power reserve is 42 hours Priced at USD$14,600 (black dial, rubber strap), $15,200 (black dial, bracelet), $15,750 (blue dial, rubber strap), $17,250 (blue dial, bracelet)