#html-body [data-pb-style=QOMF9HI]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=DTHFPWA],#html-body [data-pb-style=ILHGKLV],#html-body [data-pb-style=L9S1CLH],#html-body [data-pb-style=SP2GCF4]{border-width:1px}#html-body [data-pb-style=WNM2VHB]{text-align:left}#html-body [data-pb-style=N7F5CDR]{border-width:1px;min-height:300px}#html-body [data-pb-style=AHT5J8R],#html-body [data-pb-style=HCU77YQ],#html-body [data-pb-style=HG60LXV],#html-body [data-pb-style=JKCG3VL]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll} The first Heartbeat timepiece was launched in 1994 and quickly became an iconic signature of the brand. The purpose of the Heart Beat development was to show that these models were mechanical. With this in mind, the company added an aperture at the position of the balance wheel to show the beauty of the mechanical movement, of its “heartbeat”. Movement REFERENCE : FC-310 (Base SW20) Type of movement: Automatic Power reserve (hours): 38h Vibrations per hour: 28'800 alt/h Jewels: 26 Case Material: Stainless steelColour: Stainless steelDiameter or dimensions (mm): 40Thickness (mm): 10.5Lug width (mm): 20Water-resistance (ATM): 5 Dial Colour: Silver colourFinishing: Sunray and clous de paris guillochéIndexes: Printed roman numerals Strap Material: Calf leather with crocodile patternColour: BlackDimensions (mm): 80×120Buckle: Pin BuckleBuckle width: 18Strap width (=lug width): 20