Longines Ultra-Chron Automatic – Cal. 433 – 17 Jewels – Vintage – Running Case diameter: approx. 33 mm including the crown New black leather strap (non-original) Estimated production period of the movement: circa 1961–1963. Condition The watch is running at the time of listing. The movement is an original Longines automatic calibre, signed Please note: the watch is fitted with a replacement (non-original) case. The case is not the original Longines case, and this has been taken into account in the description and pricing. The crystal and case show signs of wear consistent with age and use. The dial displays an attractive vintage patina, adding character to the watch. Please examine the photographs carefully, as they form an integral part of the description. No information is available regarding the last service; therefore, future maintenance may be required to ensure optimal performance. The watch will be carefully packed and shipped with tracking.