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Founded in 1868 by an American, Florentine Jones, in Schaffhausen, Switzerland, IWC is probably best known for its world-beating complicated timepieces. IWC is a fully integrated Watch Manufacture; creating and assembling its own movements, parts and watches all under one roof. IWC continues to contribute significant technical advancements in the world of watchmaking, including anti-gravity and anti-magnetic movements.
- GENDER: Gents
- MOVEMENT: Automatic (Self Winding)
- COMPLICATIONS: Central 60 Second Hand,Chronograph,Date,Day,Small Second Hand
- DIAL COLOR: Black
- CASE SHAPE: Round
- CASE SIZE: 42
- WATER RESISTANCE: 100 Ft (30 Meter)
- BAND MATERIAL: Alligator
- BEZEL MATERIAL: Stainless Steel
- BEZEL TYPE: Polished
- CASE MATERIAL: Stainless Steel
- CRYSTAL TYPE: Scratch Resistant Sapphire,with Anti-Reflective Coating
- NUMBERS STYLE: Indexes,Roman Numerals
- WARRANTY: 8 years
- PRODUCT TYPE: Watch
-
MODEL NUMBER: IW391008
CASE
- Stainless steel case
- Diameter 42.0 mm
- Height 13.6 mm
- Water resistance 3.0 bar
MOVEMENT
- 75320 Calibre
- Automatic, self-winding
- 44 hours Power Reserve
- Frequency 28800.0 VPH (4.0 Hz)
- 240 Components
- 25 Jewels
FEATURES
- Small hacking seconds
- Sapphire glass, convex, antireflective coating on both sides
- Day and date display
- Chronograph function with hours, minutes and seconds
DIAL
- Black dial
STRAP
- Black alligator leather strap
- Strap width 20.0 mm






























IWC Portofino Chronograph Black Dial Black Leather Strap Watch for Men - IW391008
Excellent!
Based on 4.8/5 of 992+ reviews
19-03-2025
Really Great Watch
I picked up a Seiko for daily use and I’m seriously impressed. Keeps perfect time, looks clean, and feels durable. You can tell it’s built to last.
- Carmen W
09-03-2025
Feels Super Legit
Was nervous buying a Versace online but this one’s 100% real. It has a nice weight, and the face is stunning. I get compliments every time I wear it.
– Kaia S
15-01-2025
Stylish Look
My Tag Heuer arrived in two days—didn’t expect that! The watch is absolutely stunning. Best quality and came well-packaged.
– Delia H
23-05-2025
Fully Authentic
The Seiko came with all original docs and tags. I had it checked and it’s 100% real. Very happy with the quality and service. Definitely, I'll order again.
– Sophie W
11-04-2025
Truly Impressed
I have a few branded watches, but this one instantly became my favorite. The detail on the dial is insane. Delivery was smooth and fast.
– Matteo R
21-03-2025
Amazing Deal
Scored a gorgeous Gucci piece for way less than retail. Brand new, boxed, and certified. Will recommend this store to my friends for sure.
– Zane F
08-02-2025
Rare Find
I’ve been looking for this Seiko model for months and finally found it here. So glad I took the chance totally legit and beautiful. Came in a really cute box too.