18k yellow gold (in all probability) Wrist Chronometer no. 4848

Case: 18k yellow gold case (in all probability, because of the original 18k yellow gold crown). Case serial number also depicted on the dial; 10197 Dial: hour and minutes Movement: s/n; 4848, 18 jewels, all adjustments, 2 x Poincon de Geneve quality seal. It was part of a batch of 9 from the same date; August 4, 1927. And of a sub-batch of 6 (4847-4852). It measures 7,93 mm x 21,84 mm Provenance: 1927 - Niton, Geneve 2023 - ebay/ member hezekiah_watch_parts