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IWC · Reference 4591-01

IWC Portofino Day and Night Mother of Pearl Dial Diamond Automatic Watch 4591-01

Representative illustration: light dial and black leather strap. Actual IWC Portofino Day and Night Mother of Pearl Dial Diamond Automatic Watch 4591-01 may differ.
Illustration only

Illustration only · Product photograph unavailable

Stainless Steel11 mmAlligator LeatherScratch Resistant SapphireTang

Actual product photo unavailable. This illustration roughly matches the listed appearance; details may differ.

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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$10,496.00
Lowest USD price · US market

Out of stock · Destination terms vary

$12,800.00$10,496.00Save 18%

Shipping not supplied · Observed 20 Sept 2026, 00:49 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$10,496.00
Observed price history for IWC Portofino Day and Night Mother of Pearl Dial Diamond Automatic Watch 4591-01 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. $11,200.00$11,000.00$10,800.00$10,600.00$10,400.00$10,200.00$10,000.00$9,800.00 Sep 13Sep 15Sep 17Sep 20 Jomashop: $10,496.00, 13 Sept 2026, 20:49 UTCJomashop: $10,496.00, 16 Sept 2026, 21:19 UTCJomashop: $10,496.00, 20 Sept 2026, 00:49 UTC Observation date Listed price (USD)
  • Jomashop$10,496.00 · 3 observations

Technical & Horological Attributes

Case material
Stainless Steel
Case thickness
11 mm
Bracelet
Alligator Leather
Crystal
Scratch Resistant Sapphire
Clasp
Tang
Water resistance
30 meters / 100 feet
Dial
Mother of Pearl
Functions
GMT, Second Time Zone, Hour, Minute, Second
Hands
Silver-toned Leaf-style shape
Case back
Solid
Bezel color
Silver-tone
Bezel
Fixed
Movement
IWC Calibre 35700

The WatchCurrent standard

Exact reference. Clear provenance.

Silver-tone stainless steel case with a blue alligator leather strap. Fixed silver-tone bezel with 66 brilliant cut diamond set. Mother of pearl dial with silver-toned leaf-style shape hands and index and diamond hour markers. Minute markers around the outer rim. Dial Type: Analog. IWC Calibre 35700 Automatic movement, based upon ETA 2892-A2, containing 27 Jewels, bitting at 28800 vph, and has a power reserve of approximately 42 hours. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 37 mm, case thickness: 11 mm. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: GMT, second time zone, hour, minute, second. Portofino Series. Luxury watch style. Watch label: Swiss Made. IWC Portofino Day and Night Mother of Pearl Dial Diamond Automatic Watch 4591-01.

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