A fine silver and red guilloche sub miniature carriage or boudoir clock, of unusual form, by Eterna. It is very rare to find red guilloche enamel, the enamel on the front top and sides in fine condition, overlaying the superb engine turned wavy design and starburst to the front. The gilt dial with arabic numerals and marked 8 days, the fine 8 day three quarter plate movement with integral key. The bottom of the case marked Eterna W. Co. for Eterna Watch company, further marked 935 for silver content and numbered 2329037. Swiss Circa 1910 5.5cm High by 7.5cm Wide and 2.5cm Deep.