Stainless steel case available in 41 or 43mm. Quartz 4 hands L288.2 movement with perpetual calendar, accuracy is +/- 5 seconds per year. Light pulsation to set local and home time thru smart phone. Over 15 patents on this watch, including auto correct setting / long battery life / magnetic fields resistance / smart crown, etc. Priced from 1250CHF 1550CHF