review
Victor Kullberg Tourbillon Pocket Chronometer Review
The Victor Kullberg No 6583 is a one‑minute tourbillon pocket chronometer featuring an Earnshaw detent escapement, a massive free‑sprung compensation balance, an anti‑magnetic helical balance spring, and a reverse chain‑and‑fusee. Crafted by the Swedish‑born English watchmaker Victor Kullberg in the late 19th century, the