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Representative illustration: light dial and black leather strap. Actual IWC Portofino Day & Night Automatic Diamond Silver Dial Watch IW659803 may differ.
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IWC

IWC Portofino Day & Night Automatic Diamond Silver Dial Watch IW659803

Model: IW659803

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Description

IWC IW659803 details

Silver-tone stainless steel case with a taupe calfskin band. Fixed silver-tone diamond set stainless steel bezel. Silver dial with rose gold-tone hands and diamond index hour markers. Roman numeral marker at the 12 o'clock position. Dial Type: Analog. One subdial displaying: day & night indicator. IWC Calibre 35180 automatic movement with a 50-hour power reserve. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 34 mm, case thickness: 8.9 mm. Band width: 16 mm. Water resistant at 50 meters / 165 feet. Functions: hour, minute, second, day & night display. Portofino Series. Luxury watch style. Watch label: Swiss Made. IWC Portofino Day Night Automatic Diamond Silver Dial Watch IW659803.

The lowest new USD price we found for the IWC IW659803 is $12,000.00 at Jomashop, checked 31 Oct 2026, 22:19 UTC, across 1 retailer in stock when checked. The lowest price recorded in the last 30 days is $12,000.00, at Jomashop on 20 Oct 2026, 00:36 UTC.

Specifications

Case diameter
34
Case material
Stainless Steel
Case thickness
8.9 mm
Band width
16 mm
Bracelet
Calfskin
Crystal
Scratch Resistant Sapphire
Water resistance
50 meters / 165 feet
Dial
Silver
Functions
Hour, Minute, Second, Day & Night display
Hands
Rose Gold-tone
Case back
Solid
Bezel color
Silver-tone
Bezel
Fixed
Movement
IWC Calibre 35180

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Compare current offers

1 current offer
Jomashop$12,000.00
Lowest price

In stock

$12,000.00

Shipping not supplied · Checked 31 Oct 2026, 22:19 UTC

Shop at Jomashop →

Price history

Lowest observed$12,000.00
Observed price history for IWC Portofino Day & Night Automatic Diamond Silver Dial Watch IW659803 Step chart of 6 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. $12,800.00$12,600.00$12,400.00$12,200.00$12,000.00$11,800.00$11,600.00$11,400.00$11,200.00 Sep 12Sep 28Oct 15Oct 31 Jomashop: $12,000.00, 12 Sept 2026, 09:17 UTCJomashop: $12,000.00, 15 Sept 2026, 09:34 UTCJomashop: $12,000.00, 18 Sept 2026, 09:51 UTCJomashop: $12,000.00, 21 Sept 2026, 10:04 UTCJomashop: $12,000.00, 20 Oct 2026, 00:36 UTCJomashop: $12,000.00, 31 Oct 2026, 22:19 UTC Observation date Listed price (USD)
  • Jomashop$12,000.00 · 6 observations

Price comparison at a glance

Lowest current listing
$12,000.00
Jomashop · In stock
Checked 31 Oct 2026, 22:19 UTC
Retailers compared
1
Compared with the next retailer
No other recent in-stock offer
Latest retailer check
31 Oct 2026, 22:19 UTC

Lowest recorded price in the last 30 days: $12,000.00 at Jomashop on 20 Oct 2026, 00:36 UTC. Prices recorded on 2 days, from 20 Oct 2026, 00:36 UTC to 31 Oct 2026, 22:19 UTC.

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