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Consignment/Purchase
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito
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IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito IWC Portugieser Perpetual Calendar Ref.IW503312 18 ct Armor Gold® Blue Dial Excellent Condition vg27qito

Please check the product images and product details for specifications, included items, and other information.

IWC

Portuguese Perpetual Calendar

Ref.IW503312

Inquiry ID:vg27q
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買取申し込みConsignment Sales/Purchase Requests for the Same Item

A Note from the Appraiser

The exterior has been finished by our affiliated workshop, so this is a beautiful item with no noticeable scuffs or scratches. The accessories are all included and the sales price is attractive, so we especially recommend it to those who are looking for such an item.

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Item Condition

Dial In good condition
Needle There is some inconspicuous aging deterioration.
Windshield There are some scratches and scuffs that are barely noticeable when viewed with a 10x magnifying glass.
Bezel No noticeable scratches or scuffs
Case No noticeable scratches or scuffs
Buckle No noticeable scratches or scuffs
Band Used
Case Back No noticeable scratches or scuffs

Item Detail

Inquiry ID vg27q
Color blue
Material 18 ct Armor Gold®
Case Size ヘルプアイコン 44.2mm
Warranty Date October 2023There is a record indicating that it was sold to
Arm Circumference ヘルプアイコン Maximum arm circumference: 19cm
Accessory その他付属品（保証書・箱以外）
Driving Method Automatic ：Cal.52611 、パワーリザーブ：約168時間
Waterprof 3 atmospheres
Luminescence none
Maintenance History Machine inspected by our store, exterior finish (at our affiliated workshop in June 2026)
Our Warranty Period From the date of purchaseNo warranty

Product Background

The Portugieser Perpetual Calendar is a highly acclaimed collection, renowned as a flagship model of IWC's complicated timepieces. Inheriting the innovative perpetual calendar mechanism developed by the legendary watchmaker Kurt Klaus, this model incorporates the unique material "18ct Armor Gold®." It is a flagship model that combines tradition with advanced technology.

Model features

Powered by the in-house calibre 52611, it boasts a long power reserve of approximately 168 hours (7 days). The perpetual calendar requires no major adjustments until 2100, offering high practicality. This model is a highly refined example of IWC's technical prowess, condensing complex mechanisms such as the Pellaton automatic winding system and a high-precision moon phase display.

Product design

The combination of the deep blue dial and 18ct Armor Gold® case creates an elegant yet opulent impression. The perpetual calendar display is beautifully arranged on the open dial, unique to the large case, with the moon phase adding an artistic accent. The design is a modern evolution of the classic Portugieser aesthetic.

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