IWC Portugieser Chronograph Ceratanium

The IWC Portugieser Chronograph Ceratanium is a current-production chronograph watch with a ceratanium ceramized titanium case. The caseback is open, so the movement is visible.

3 official photos · reader photos welcome

Material

Ceramized titanium

Grade / type

Ceratanium

Water resistance

30 m

Reference

IW371631

Type

Chronograph

Case diameter

41.0 mm

Thickness

13.1 mm

Lug-to-lug

47.9 mm

Origin

Switzerland

Movement

Automatic chronograph, column wheel

Caliber

IWC 69355

Power reserve

46 hours

Complications

Chronograph

Colour

Black

Construction

Monobloc

Caseback

Sapphire (tinted)

Nickel-free

Not verified (bracelet, strap, or clasp hardware not confirmed)

Bracelet / strap

Integrated black textured rubber strap with a Ceratanium buckle

Crystal

Sapphire

Display back

Yes

Dial

Black

Dial colours

Black

Availability

Offered

Status

Current (limited edition of 1,500)

Not published

Price, Weight, Hardness, Surface treatment, Matching bracelet, Lume

Medium confidence Verified Jul 2026 Source: SJX / IWC product page

Copy citationFacts are free to cite with a link.

Reader reviews & photosContribute photo or review

No reviews yet.

Similar exotic-material watches

TAG HeuerMonaco Chronograph Skeleton Titanium 39mm$11,15039.0 mm13.8 mm thickChronographsame category · same style · similar size · similar thickness

TAG HeuerMonaco Flyback Chronograph TH-Carbonspring$18,00039.0 mm14.1 mm thickChronographsame category · same style · similar size · similar thickness

BreguetMarine Chronographe 5527$22,60042.3 mm13.9 mm thickChronographsame category · same style · similar size · similar thickness

HublotBig Bang Unico Orange Ceramic 42mm$29,60042.0 mm14.5 mm thickChronographsame category · same style · similar size · similar thickness

HublotSpirit of Big Bang Sand Beige Ceramic 42mm$30,80042.0 mm14.1 mm thickChronographsame category · same style · similar size · similar thickness

HublotBig Bang Unico Magic Ceramic 42mm$33,00042.0 mm14.5 mm thickChronographsame category · same style · similar size · similar thicknessHublotBig Bang Unico Summer Multi-Colored Ceramic 42mm$34,30042.0 mm14.5 mm thickChronographsame category · same style · similar size · similar thicknessHublotBig Bang Original Unico Titanium 43mm–43.0 mm13.2 mm thickChronographsame category · same style · similar size · similar thickness

Alternatives to the IWC Portugieser Chronograph Ceratanium

ZelosVitesse Forged Carbon$1,49940.0 mmChronographsame category · same style · shared complications · similar sizeAndersmannCHRONOGRAPH ANN0631$1,58044.0 mm16.5 mm thickChronographsame category · same style · shared complications · similar sizeDrakenKruger V2 Auto$1,60944.0 mm15.6 mm thick80 gChronographsame category · same style · shared complications · similar sizeAndersmannCHRONOGRAPH DLC ANN0681$1,68044.0 mm16.5 mm thickChronographsame category · same style · shared complications · similar sizeZelosZX-7 Titanium Damascus Chronograph$1,99943.0 mm16 mm thickChronographsame category · same style · shared complications · similar sizeCertinaDS-7 Chrono Automatic Titanium$2,00042.0 mmChronographsame category · same style · shared complications · similar size

More exotic-material watches from IWC

IWCIngenieur Automatic 40 (Titanium)$14,60040.0 mm10.7 mm thickIntegrated bracelet

IWCPilot's Watch Performance Chronograph 41 AMG (Titanium)$9,80041.1 mm14.8 mm thickChronographIWCPilot's Watch Timezoner Top Gun Ceratanium (IW395505)$18,40046.0 mm15.1 mm thickPilotIWCBig Pilot's Watch Perpetual Calendar Top Gun Ceratanium (IW503604)$54,76046.2 mm15.4 mm thickPilot

IWCPilot's Watch Chronograph 41 TOP GUN Ceratanium$13,80041.0 mm14.5 mm thickPilotIWCPilot's Watch Chronograph Top Gun Edition Lake Tahoe$10,50044.5 mmPilot

All exotic-material IWC watches · Exotic-material chronograph watches · All 1,957 watches

Learn: Which Material? · Lightest Materials · Most Scratch-Resistant · Materials and Skin

Image & Trademark Policy · Terms & Conditions