SWISS ETA SUPER CLONE WATCHES

BPH is brief for beats for each hour. A observe which includes 28800 get more info BPH ticks and in addition tocks 28800, This suggests the balance wheel generates this several range of swings clockwise and counter-clockwise hourly. just about every swing is often a Tock or possibly a Tick and the number of swings for each hour divided by 1 hour or