<style>
ul { list-style:none; margin:0; padding:0 }
#watch {
width: 600px;
font-size:1em;
position:relative
}
#watch .frame-face {
position:relative;
width:30em;
height:30em;
margin:2em auto;
border-radius:15em;
background:-webkit-linear-gradient(top, #f9f9f9,#666);
background:-moz-linear-gradient(top, #f9f9f9,#666);
background:linear-gradient(to bottom, #f9f9f9,#666);
box-shadow:rgba(0,0,0,.8) .5em .5em 4em;
}
/* 白い背景 */
#watch .frame-face:after {
content:'';
width:28em;
height:28em;
border-radius:14.2em;
position:absolute;
top:.9em; left:.9em;
box-shadow:inset rgba(0,0,0,.2) .2em .2em 1em;
border:.1em solid rgba(0,0,0,.2);
background:-webkit-linear-gradient(top, #fff, #ccc);
background:-moz-linear-gradient(top, #fff, #ccc);
background:linear-gradient(to bottom, #fff, #ccc);
}
/* 分目盛り */
#watch .minute-marks li {
display:block;
width:.2em;
height:.6em;
background:#929394;
position:absolute;
top:50%; left:50%;
margin:-.4em 0 0 -.1em;
}
/* 5分単位の数字 */
#watch .digits li {
font-size:1.6em;
display:block;
width:1.6em;
height:1.6em;
position:absolute;
top:50%; left:50%;
line-height:1.6em;
text-align:center;
margin:-.8em 0 0 -.8em;
font-weight:bold;
}
#watch .digits li:nth-child(1) { transform:translate(3.9em, -6.9em) }
#watch .digits li:nth-child(2) { transform:translate(6.9em, -4em) }
#watch .digits li:nth-child(3) { transform:translate(8em, 0) }
#watch .digits li:nth-child(4) { transform:translate(6.8em, 4em) }
#watch .digits li:nth-child(5) { transform:translate(3.9em, 6.9em) }
#watch .digits li:nth-child(6) { transform:translate(0, 8em) }
#watch .digits li:nth-child(7) { transform:translate(-3.9em, 6.9em) }
#watch .digits li:nth-child(8) { transform:translate(-6.8em, 4em) }
#watch .digits li:nth-child(9) { transform:translate(-8em, 0) }
#watch .digits li:nth-child(10) { transform:translate(-6.9em, -4em) }
#watch .digits li:nth-child(11) { transform:translate(-3.9em, -6.9em) }
#watch .digits li:nth-child(12) { transform:translate(0, -8em) }
/* 短針 */
#watch .hours-hand {
transform:rotate(90deg);
width:.8em;
height:7em;
border-radius:0 0 .9em .9em;
background:#232425;
position:absolute;
bottom:50%; left:50%;
margin:0 0 -.8em -.4em;
box-shadow:#232425 0 0 2px;
transform-origin:0.4em 6.2em;
animation:hours 43200s linear 0s infinite;
}
#watch .hours-hand:before {
content:'';
background:inherit;
width:1.8em;
height:.8em;
border-radius:0 0 .8em .8em;
box-shadow:#232425 0 0 1px;
position:absolute;
top:-.7em; left:-.5em;
}
#watch .hours-hand:after {
content:'';
width:0; height:0;
border:.9em solid #232425;
border-width:0 .9em 2.4em .9em;
border-left-color:transparent;
border-right-color:transparent;
position:absolute;
top:-3.1em; left:-.5em;
}
/* 長針 */
#watch .minutes-hand {
transform:rotate(0deg);
width:.8em;
height:12.5em;
border-radius:.5em;
background:#343536;
position:absolute;
bottom:50%; left:50%;
margin:0 0 -1.5em -.4em;
box-shadow:#343536 0 0 2px;
transform-origin:0.4em 11em;
animation:minutes 3600s linear 0s infinite;
}
/* 秒針 */
#watch .seconds-hand {
transform:rotate(90deg);
width:.2em;
height:14em;
border-radius:.1em .1em 0 0/10em 10em 0 0;
background:#c00;
position:absolute;
bottom:50%; left:50%;
margin:0 0 -2em -.1em;
box-shadow:rgba(0,0,0,.8) 0 0 .2em;
transform-origin:0.1em 12em;
animation:seconds 60s steps(60, end) 0s infinite;
}
#watch .seconds-hand:before {
content:'';
width:.8em;
height:3em;
border-radius:.2em .2em .4em .4em/.2em .2em 2em 2em;
box-shadow:rgba(0,0,0,.8) 0 0 .2em;
background:inherit;
position:absolute;
left:-.35em; bottom:-3em;
}
/* デシタル部分 */
#watch .digital-wrap {
width:9em;
height:3em;
position:absolute;
top:50%; left:50%;
margin:3em 0 0 -4.5em;
overflow:hidden;
}
</style>
<div id="watch">
<div class="frame-face"></div>
<ul class="minute-marks">
</ul>
<div class="digital-wrap">
</div>
<ul class="digits">
<li>1</li><li>2</li><li>3</li><li>4</li><li>5</li><li>6</li>
<li>7</li><li>8</li><li>9</li><li>10</li><li>11</li><li>12</li>
</ul>
<div class="hours-hand"></div>
<div class="minutes-hand"></div>
<div class="seconds-hand"></div>
</div>