IWC Regulateur IW544404 | Ref. IW544404 Watches on Chrono24
IWC Portuguese Regulateur | Watch Rapport
IWC REF. 5444 PORTUGUESE REGULATOR PLATINUM International Watch Co., Schaffhausen, "Portugieser Regulateur," No. 154/500, movement No. 2671229, case No. 3181646, Ref. 5444. Made in a limited edition of 500 pieces in platinum