
IWC Portugieser Perpetual Calendar 44, Portugieser IW5037-04
IWC Schaffhausen’s perpetual calendar was originally developed during the 1980s by former head-watchmaker Kurt Klaus. In 2003, the legendary complication was presented in the Portugieser collection for the first time. Since then, the Portugieser Perpetual Calendar has been a major pillar of the collection. Case:…
| Reference | IW5037-04 |
|---|---|
| Collection | Portugieser |
| Case diameter | 44.4 mm |
| Case material | White gold |
| Case shape | Round |
| Case back | Open |
| Lug width | 22.00 mm mm |
| Movement | 52616 |
| Power reserve | 168 h |
| Dial colour | Dune |
| Indexes | Arabic Numerals |
| Hands | Feuille |
| Crystal | Sapphire |
| Original retail (USD) | $57,800 |
This is a reference-catalog entry for the IWC Portugieser Perpetual Calendar 44, Portugieser IW5037-04. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
Run a sharper watch business
Inventory, invoices, listings, CRM, deals and payments — one clean platform. Free to start, no card.
Start free