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IWC · Reference IW391012

IWC Portofino Chronograph Automatic Stainless Steel Men's Watch IW391012

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Prices are compared only within the same currency and destination market; the lead group is USD for US. Other currency or market offers remain visible separately.

Jomashop1 listing · USD · US$5,658.00
Lowest USD price · US market

Out of stock · Destination terms vary

$6,900.00$5,658.00Save 18%

Shipping not supplied · Observed 19 Sept 2026, 22:18 UTC

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Price history

Dots mark validated retailer prices for the USD · US market group. Lines carry each listing's last observed price forward, starting at its first observation.

Lowest observed$5,658.00
Observed price history for IWC Portofino Chronograph Automatic Stainless Steel Men's Watch IW391012 Step chart of 3 validated retailer price observations. Each listing's last observed price is carried forward from its first observation to the chart's end. Dots mark actual observations. The horizontal axis is observation date and the vertical axis is listed price in USD. $6,000.00$5,900.00$5,800.00$5,700.00$5,600.00$5,500.00$5,400.00$5,300.00 Sep 13Sep 15Sep 17Sep 19 Jomashop: $5,658.00, 13 Sept 2026, 18:18 UTCJomashop: $5,658.00, 16 Sept 2026, 18:48 UTCJomashop: $5,658.00, 19 Sept 2026, 22:18 UTC Observation date Listed price (USD)
  • Jomashop$5,658.00 · 3 observations

Technical & Horological Attributes

Case material
Stainless Steel
Case thickness
13.5 mm
Bracelet
Stainless Steel Milanese Mesh
Crystal
Scratch Resistant Sapphire
Clasp
Deployment with Push Button Release
Water resistance
30 meters / 100 feet
Dial
Black
Calendar
Day of the Week and Date display at the 3 o'clock position
Functions
Chronograph, Date, Day, Hour, Minute, Second
Hands
Silver-tone
Crown
Pull / Push
Bezel color
Silver-tone
Bezel
Fixed
Movement
IWC Calibre 79320

The WatchCurrent standard

Exact reference. Clear provenance.

Stainless steel case with a stainless steel Milanese mesh bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and stick hour markers. Roman numerals mark the 6 and 12 o'clock positions. Minute markers around the outer rim. Dial Type: Analog. Date and day of the week display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement. Calibre 79320 engine. Scratch resistant sapphire crystal. Pull / push crown. Case diameter: 42 mm. Case thickness: 13.5 mm. Round case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: chronograph, day of the week, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portofino Chronograph Automatic Stainless Steel Men's Watch IW391012.

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