Newgate Thunderbird Mantel Clock Neutral Rocket DialNewgate Thunderbird Mantel Clock Neutral Rocket Dial A mid century modern mantel clock with an emphasis on the modern. This space age design blends a contemporary cream face and matt black silicone case with a retro inspired dial and simplified numerals. Known as silent sweep in the industry, the hands move in a constant sweeping motion rather than a stepped tick. So you won't hear any ticking but if your hearing is particularly sensitive in a