https://www.instagram.com/p/BamCm54B090/
https://scontent-nrt1-1.cdninstagram.com/t51.2885-15/e35/22710769_172762993276447_1540651562743889920_n.jpg
Deployant clasp NOMOS Glashutte
https://nomos-glashuette.com/en/deployant-clasp
100 USD
https://www.nomos-store.com/en/Things/Accessories/Deployant-clasp.html
https://www.nomos-store.com/out/pictures/master/product/1/nomos_faltschliesse.jpg