spiral Breguet - Chromometer bal compense - 339580 - 1850-1900

Spiral Breguet Chromometer Bal Compense, reference 339580, from 1850–1900, with manual winding movement, housed in a solid silver 0.800 case over 51 mm in diameter (excluding crown) and weighing 82 g, featuring a white enamel dial, 15 ruby jewels, gold‑tone ornate Louis XV style hands, and an engraved back case with a lion and crowns for the kingdom of Scandinavia, in very good condition with minor signs of wear and movement in working order.