Excellent condition, Gold filled case, dial markers and origional Gold Filled Bracelet.
One of the first watches to feature a high-frequency movement (36,000 vibrations per hour) for superior accuracy. The "Ultra-Chronometer" was promoted as the world's most accurate watch and was designed with a specific high-frequency movement and a novel dry-lubricant to reduce friction. While the original high-frequency movement concept saw limited longevity due to the rise of quartz watches, the Ultra-Chron was a significant development in high-precision timekeeping.