Precision carousel men's pocket watch, silver blackened, jumping lid case with 3 lids polished, around 1900, Bahne Bonniksen/ Perkins&Son London, No. 57300, also called pocket watch tourbillon, with it unbalances in the balance were compensated, bi-metal balance with gold screws and diamond cap jewel, screwed bronze chatons, swiss anchor escapement, white enamel dial with roman. Roman numerals and blued hands, small second at 6 o'clock, clock runs exactly, d. 52mm, height 16mm, total weight approx. 133,1g, collectible rare watch in exceptional good conditionPocket and wrist watches