Zenith Defy Revival A3691 Steel Red Dial 03.A3642.670/3691.M3642 - BRAND NEW

Name: Zenith Defy Revival A3691 Steel Red Dial 03.A3642.670/3691.M3642 - BRAND NEW
Brand: Zenith
SKU: 03.A3642.670/3691.M3642
Price: 6375.0 USD
Availability: InStock

$6,375.00

*As with all fine timepieces, prices and availability are subject to market conditions and do not constitute a binding agreement.

By Zenith

Sell or Trade

By appointment only in Miami Beach
100% Certified Authentic
Bizak & Co. Warranty

Speak with a Bizak & Co. specialist about this piece

WhatsApp|Call or Text

The Zenith Defy Revival A3691 reference 03.A3642.670/3691.M3642 is a brand-new 37mm stainless steel sports watch featuring a striking red index dial and a matching stainless steel bezel and bracelet. Rooted in Zenith's legendary Defy lineage, this revival piece recaptures the bold geometry and tool-watch spirit of the original A3691 while delivering a thoroughly modern collector's statement.

What sets this reference apart is the vivid red dial—an eye-catching departure from conventional sports-watch palettes—combined with a compact 37mm case that wears elegantly on a wide range of wrists. Contact Bizak & Co. today to purchase the Zenith Defy Revival A3691 for sale at the best price, with the confidence of buying from a trusted luxury watch dealer.

Compare it across every Defy Revival A3691 reference we carry, or browse the full Zenith collection at Bizak & Co.

Buy this Defy Revival A3691, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

Not the exact one you’re looking for?

Source your dream watch

The Zenith Defy Revival A3691, reference 03.A3642.670/3691.M3642, is a faithful yet spirited reimagining of one of Zenith's most important tool-watch designs. The original Defy was introduced in the late 1960s as Zenith's answer to the demand for a robust, water-resistant sports watch with angular, assertive architecture. Decades later, the Revival series revisits those iconic case shapes and proportions with contemporary manufacturing precision, allowing a new generation of collectors to own a piece of horological history in brand-new condition.

The 37mm stainless steel case of the Defy Revival A3691 is central to its identity. Unlike the oversized sports watches that dominate today's market, the 37mm diameter offers a refined, wrist-friendly presence that sits close to the wrist and suits both formal and casual settings equally well. The integrated steel bracelet flows seamlessly from the case, reinforcing the cohesive, purpose-built aesthetic that made the original Defy such an enduring design.

The standout feature of this particular reference is unquestionably its red index dial. Bold and unapologetic, the red dial transforms what might otherwise be a classically proportioned sports watch into a vivid collector's piece. The index markers are clearly legible against the red ground, maintaining the functional readability that the Defy line has always prioritized. It is a dial that rewards close inspection and draws immediate attention on the wrist.

The stainless steel bezel frames the dial with clean, angular lines that echo the Defy's signature geometric vocabulary. Every surface detail—from the case flanks to the bracelet links—reflects the careful attention to finishing that Zenith brings to its Revival references. Offered here in brand-new condition, this watch retains every quality of a fresh manufacture piece, making it an ideal starting point for a serious Zenith collection or a meaningful addition to an existing one.

Bizak & Co. offers the Zenith Defy Revival A3691 reference 03.A3642.670/3691.M3642 for sale at the best price, backed by the assurance of an authorized and reputable luxury watch dealer. Whether you are looking to buy the Zenith Defy Revival online or simply want expert guidance on this exceptional reference, our team is ready to assist. Reach out to Bizak & Co. and secure this striking red-dial Defy Revival before it finds its way to another collector's wrist.

Reference Number 03.A3642.670/3691.M3642

Model Family Defy Revival A3691

Movement

Case Material Stainless Steel

Bracelet Material Stainless Steel

Dial Red Index Dial

Case Dimension 37mm

Year

Condition Brand New

Box & Papers

1. What makes the Zenith Defy Revival A3691 special?
The Zenith Defy Revival A3691 is a modern reissue of one of Zenith's most iconic angular sports-watch designs from the late 1960s. Reference 03.A3642.670/3691.M3642 stands out in particular for its vivid red index dial, a bold choice that makes it one of the more visually distinctive pieces in the Revival lineup. Its 37mm stainless steel case also offers a refined, vintage-correct size rarely seen in contemporary sports watches.

2. What movement powers the Zenith Defy Revival A3691 ref. 03.A3642.670/3691.M3642?
The specific caliber details for this reference have not been confirmed in our current listing information. We encourage you to contact Bizak & Co. directly for full technical specifications on this watch. Our team can provide accurate movement details sourced directly from Zenith.

3. What is the case size of the Zenith Defy Revival A3691?
The Zenith Defy Revival A3691 reference 03.A3642.670/3691.M3642 features a 37mm stainless steel case. This compact diameter is intentional, reflecting the original A3691 proportions and offering a versatile, elegant fit on the wrist. It is notably more wearable than many modern sports watches that trend toward 40mm and beyond.

4. Is the Zenith Defy Revival A3691 suitable for everyday wear?
Yes, the Defy Revival A3691 is well-suited for everyday wear thanks to its stainless steel construction, integrated steel bracelet, and robust Defy heritage rooted in tool-watch design. The 37mm case size makes it comfortable for extended daily use and transitions easily between casual and dressed-up occasions. Its red dial does give it a distinctive personality that makes it a natural conversation piece.

5. What are the key material and dial details of ref. 03.A3642.670/3691.M3642?
This Zenith Defy Revival features a 37mm stainless steel case, a stainless steel bezel, and a matching steel bracelet, giving it a uniform, cohesive appearance. The dial is finished in a bold red with index hour markers, offering striking legibility and a strong visual identity. All components are presented in brand-new condition.

6. How can I buy the Zenith Defy Revival A3691 from Bizak & Co.?
You can purchase the Zenith Defy Revival A3691 reference 03.A3642.670/3691.M3642 directly through bizakandco.com or by contacting our team for personalized assistance. Bizak & Co. offers this brand-new reference at the best price with the confidence of buying from a trusted luxury watch dealer. Reach out today and our specialists will guide you through the purchase process.

Certified Authenticity

Each watch we sell comes with original box & papers.

Real Family Business

You're buying from genuine people, 30 years in business.

Bizak & Co. Warranty

Every watch is checked by us before shipping.

5 Years Warranty

Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.

If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.

Because trust isn’t built in a transaction—it’s built over time.

90 Day Return Policy

Our costumers trust us and we trust them. That's why we're boldly presenting the best return policy in the industry.

We take all the risk so you don't have to.

Signature personal delivery service

For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.

Because some pieces deserve more than just shipping—they deserve a handshake.