Platinum & diamond Wrist Chronometer no. 5008

Case: Pendant, platinum with diamonds Dial: Silver Movement: s/n; 5008, L-shape caliber, 7''', Eighteen (18) jewels, all adjustments, Geneva seal. Obtained the Poincon de Geneve quality seals on November 24, 1927 and was part of a batch of 4 (5005-5008). There was one movement from the same date but with movement serial number 5028. Provenance: 1927 - Niton, Geneve Pics are property of; Musées d'art et d'histoire, Genève, Invent No. AD 2507, Platina, diamonds, Montre sur Broche, Poinçon de Genève, high.: 6.2 cm, larg.: 3.35 cm, ep.: 0.8 cm; https://collections.geneve.ch/mah/oeuvre/montre-sur-broche/ad-2507 See also similar Watch on Pin by Antiquorum, 23-4-2006, Lot 314; https://catalog.antiquorum.swiss/en/lots/lot-60-70?browse_all=1&page=5&q=Golay and https://catalog.antiquorum.swiss/en/lots/lot-96-274?browse_all=1&page=5&q=Golay