IWC Portugieser Chronograph Ceratanium IW37160-31
The IWC Portugieser Chronograph Ceratanium IW371631, introduced in 2026, is presented in a limited edition of 1,500 pieces. The watch features a 41 mm case crafted from Ceratanium, an IWC-developed material based on a special titanium alloy that is hardened through a firing process. The crown and chronograph…
| Reference | IW37160-31 |
|---|---|
| Collection | Portugieser |
| Case diameter | 41 mm |
| Case material | Ceratanium |
| Case shape | Round |
| Case back | Open |
| Lug width | 20.00 mm mm |
| Movement | IWC caliber 69355Hours |
| Water resistance | 30 m |
| Dial colour | Black |
| Dial finish | Matte |
| Indexes | Arabic Numerals |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2026 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portugieser Chronograph Ceratanium IW37160-31. 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.
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