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IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW

IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW IWC Portugieser Automatic 40 Stainless Steel Silver…

Reference IW358312

Full watch configuration

IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW

$8,199.00
Requested condition
Brand New

By IWC

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW

IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW

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IWC Portugieser Automatic 40 Stainless Steel Silver Dial IW358312 - BRAND NEW

Catalogue watch price: $8,199.00 USD

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The IWC Portugieser Automatic 40 reference IW358312 is a brand-new stainless steel dress-sport watch featuring a clean silver dial with Arabic numerals and a matching stainless steel bracelet. Sized at 40mm, it strikes the ideal balance between classic Portugieser proportions and modern everyday wearability.

The IW358312 is one of the most accessible entry points into IWC's storied Portugieser collection, combining timeless design with automatic movement convenience. Contact Bizak & Co. at bizakandco.com to buy this reference online at the best price with full authenticity assurance.

Compare it across every Portugieser reference we carry, or browse the full IWC collection at Bizak & Co.

Buy this Portugieser, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The IWC Portugieser Automatic 40 reference IW358312 is a landmark expression of IWC Schaffhausen's enduring dedication to elegant, legible watchmaking. First introduced as a line inspired by the large-cased pocket-watch-derived timepieces that IWC began producing in the late 1930s at the request of Portuguese merchants, the Portugieser has evolved into one of the most recognizable and coveted watch families in the Swiss luxury industry. The 40mm case size represents a contemporary refinement of the collection—retaining the architectural purity of the original oversized design while scaling it to suit a broader range of wrists and contemporary tastes.

The stainless steel case of the IW358312 is executed with the restrained, polished sensibility that defines the Portugieser aesthetic. Stainless steel remains the purest expression of the line's design intent, allowing the dial to command full attention without competition from precious metals. The case finishing blends polished and brushed surfaces in a manner consistent with IWC's meticulous quality standards, and the 40mm diameter sits confidently on the wrist without overwhelming a dressed shirt cuff.

At the heart of the IW358312's visual identity is its silver dial with Arabic numerals—a configuration that pays direct homage to the original Portugieser references. The crisp, high-contrast Arabic hour markers arranged on a clean silver backdrop create exceptional legibility, a virtue that has always been central to the Portugieser's philosophy. The understated chapter ring and refined hands work in concert to give the dial a timeless, almost architectural quality that transitions effortlessly from boardroom to weekend wear.

Powering the IW358312 is an IWC automatic movement, ensuring the watch winds itself through the natural motion of the wearer's wrist. Automatic calibers in the Portugieser family are engineered to IWC's exacting tolerances and reflect the brand's long tradition of in-house movement development in Schaffhausen, Switzerland. The rotor-driven winding system means this watch is a reliable daily companion that requires no manual winding under typical wearing conditions.

The stainless steel bracelet supplied with this reference integrates seamlessly with the case, extending the clean, monochromatic aesthetic from lug to clasp. It offers a versatile, sporty-yet-refined wearing experience that distinguishes this configuration from strap variants and makes the watch an especially practical choice for everyday use. The bracelet is crafted to IWC's fit-and-finish standards, ensuring comfort across a full range of wrist sizes.

Bizak & Co. presents this IWC Portugieser Automatic 40 IW358312 as brand new, sourced through authorized channels and offered at the best available price. When you buy this reference online at bizakandco.com, you receive the full confidence of purchasing from a trusted luxury watch dealer committed to authenticity, transparency, and exceptional service. Whether you are acquiring your first IWC or adding a cornerstone piece to an established collection, the IW358312 represents outstanding long-term value and one of horology's most enduringly elegant designs.

Technical Details
Reference
IW358312
Model
Portugieser
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Silver Arabic
Case size
40mm
Requested condition
Brand New
FAQ

1. What makes the IWC Portugieser Automatic 40 IW358312 special?
The IW358312 distills the Portugieser's century-spanning design philosophy into a modern 40mm package, pairing a silver Arabic dial with a stainless steel case and bracelet for a look that is simultaneously classic and contemporary. Its clean, legible dial and balanced proportions make it one of the most versatile references in the entire Portugieser collection.

2. What movement powers the IWC Portugieser IW358312?
The IW358312 is powered by an IWC automatic movement that self-winds via a rotor as the watch is worn. This ensures reliable, low-maintenance timekeeping consistent with IWC's longstanding tradition of precision engineering in Schaffhausen, Switzerland.

3. What is the case size of the IWC Portugieser Automatic IW358312?
The IW358312 features a 40mm stainless steel case, making it one of the more wearable sizes in the Portugieser lineup. This diameter suits a wide range of wrist sizes and works equally well under a dress shirt cuff or on casual occasions.

4. Is the IWC Portugieser IW358312 suitable for everyday wear?
Yes, the IW358312 is an excellent everyday watch thanks to its automatic movement, durable stainless steel case, and integrated stainless steel bracelet. Its versatile silver Arabic dial reads as dressy enough for formal settings yet robust enough for daily use.

5. What dial and material does the IWC Portugieser IW358312 have?
The IW358312 features a silver dial with Arabic numerals, one of the most iconic dial configurations in the Portugieser family, housed in a stainless steel case. The combination delivers strong contrast, superb legibility, and a timelessly elegant appearance.

6. Is the IWC Portugieser IW358312 a good buy and how can I purchase it from Bizak & Co.?
The IW358312 is widely regarded as an exceptional value within the luxury automatic watch segment, offering genuine IWC craftsmanship, an iconic design pedigree, and strong long-term desirability. You can buy this brand-new reference online at bizakandco.com or contact Bizak & Co. directly for pricing, availability, and assistance with your purchase.

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5 Years Warranty

Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

Read the full warranty terms and service instructions. 

90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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