IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010
Direct answer: IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010 is a IWC watch, from the Portofino collection, with reference IW391010. This page brings together 23 recorded specification fields, 4 locally stored images so you can check the exact record before comparing another watch.
Reference IW391010
$5,829.99
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Evidence Available for This Reference
This record includes 23 recorded specification fields and 4 locally stored images.
See the catalog methodology for how recorded evidence, missing fields and search eligibility are handled.
Reference-specific facts recorded for this watch
- Material: Stainless Steel Mesh
- Back: Solid
- Crystal: Scratch Resistant Sapphire
- Diameter: 42mm
Recorded entity relationships
- Brand relationship: IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010 is recorded as a IWC watch.
- Collection relationship: IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010 belongs to the recorded Portofino collection.
- Reference relationship: The catalog links reference IW391010 to this exact watch record.
- Movement: The catalog lists IWC Calibre 75320 as the movement type.
- Case: The recorded case material is Stainless Steel.
- Size: The recorded case diameter is 42mm.
- Dial: The catalog describes the dial as Black.
- Band: The recorded band or bracelet material is Stainless Steel Mesh.
What the recorded details mean
IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010 uses IWC Calibre 75320. The listed caliber is IWC Calibre 75320. Movement details help you plan daily use and future service.
The recorded case measurements are 42mm and 13.5mm. Size is only a starting point, so also check lug length and bracelet fit.
The case is recorded as Stainless Steel. Material affects weight, finish, care, and how marks may appear over time.
The catalog lists 30 m for water resistance. This recorded value is not a new pressure test, so have the seals checked before water use.
Available Catalog Details
This catalog record identifies the IWC Portfonio Chronograph Automatic Black Dial Men's Watch IW391010 under reference IW391010. A complete product description is not available, so WatchShopping does not substitute specifications from a similar watch.
Specifications
- Information: Brand
- IWC
- Information: Series
- Portofino
- Information: Model
- IW391010
- Information: Gender
- M
- Dial: Colour
- Black
- Dial: Finish
- guilloche
- Dial: Indexes
- Index
- Dial: Hands
- Silver-tone
- Case: Material
- Stainless Steel
- Case: Crystal
- Scratch Resistant Sapphire
- Case: Back
- Solid
- Case: Shape
- Round
- Case: Diameter
- 42mm
- Case: Height
- 13.5mm
- Movement: Calibre
- IWC Calibre 75320
- Movement: Type
- Automatic
- Movement: Jewels
- 25 Jewels
- Movement: Reserve
- 44 hours
- Movement: Frequency
- 28'800 vph, 4 Hz
- Movement: Time
- Elegant leaf shaped hour & minutes hands.
- Band: Material
- Stainless Steel Mesh
- Features: Water Resistance
- 30 m
- Features: Watch Features
- Calendar, Chronograph, Stainless Steel
How to Compare This Reference
Use the complete reference IW391010 when comparing this watch. Confirm that the dial, case, movement, bracelet or strap, and production period match the exact configuration under review.
Check the watch in this order
- Match the full name and reference IW391010 to the watch you are reviewing.
- Compare the dial, case, crown, bezel, and bracelet or strap with the stored images.
- Check the recorded movement and caliber against reliable documents for the same production period.
- Confirm current condition, service history, included parts, price, and availability before making a decision.
Research tip: Search and compare with the full reference IW391010. A family name alone can mix different sizes, movements, and materials.
Continue Your Watch Research
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