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Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW

Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW Zenith Defy Revival Steel Black & Orange…

Reference 03.A3648.670/21.M3648

Full watch configuration

Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW

$7,777.00
Requested condition
Brand New

By Zenith

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.

Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW

Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW

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Zenith Defy Revival Steel Black & Orange Dial 03.A3648.670/21.M3648 - BRAND NEW

Catalogue watch price: $7,777.00 USD

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The Zenith Defy Revival ref. 03.A3648.670/21.M3648 is a brand-new 37mm stainless steel sports watch featuring a striking black dial with orange indices and a stainless steel bezel on a steel bracelet — a faithful reinterpretation of Zenith's legendary Defy lineage. The compact 37mm case makes it one of the most wearable entries in the Defy Revival collection, appealing to collectors and enthusiasts who value both heritage design and modern execution.

What sets this reference apart is the bold contrast between the black dial and vivid orange accents, a color combination that recalls the adventurous spirit of the original Defy from the late 1960s. Bizak & Co. is offering this piece brand new — contact us today or shop online to secure this Zenith Defy Revival at the best price available.

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

Buy this Defy Revival, 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 Zenith Defy Revival 03.A3648.670/21.M3648 is a direct tribute to one of Swiss watchmaking's most storied sport watch lineages. When Zenith first introduced the Defy in 1969, it was conceived as a robust, high-frequency timekeeping tool built to withstand the demands of an active lifestyle. Decades later, the Defy Revival breathes new life into that original spirit by faithfully reinterpreting the case architecture, dial layout, and bracelet design that made the vintage Defy an icon — while benefiting from contemporary manufacturing standards and finishing quality.

The 37mm stainless steel case is one of the most distinctive aspects of this reference. In an era dominated by oversized sport watches, the Defy Revival's proportions feel deliberate and refined, echoing the original 1969 dimensions and sitting elegantly on a wide range of wrist sizes. The integrated steel bracelet flows naturally from the case, reinforcing the cohesive, tool-watch aesthetic that defined the Defy's original purpose.

The dial of reference 03.A3648.670/21.M3648 is where the watch truly announces itself. A deep black dial is punctuated by vivid orange indices — a color contrast that is at once bold and purposeful, improving legibility and paying homage to the sporty, adventurous character of the original Defy. The stainless steel bezel frames the dial with clean, classic lines, avoiding unnecessary decoration and letting the dial do the talking.

As part of Zenith's wider Defy Revival program, this reference connects the wearer directly to a pivotal moment in the brand's history. The Revival series has been celebrated by collectors for its accuracy to the source material, from the faceted case sides and angular lugs to the period-correct bracelet link design. Owning a Defy Revival is a way to participate in genuine horological history without the premiums and condition concerns of hunting the vintage original.

Bizak & Co. is pleased to offer this Zenith Defy Revival 03.A3648.670/21.M3648 brand new, giving buyers complete confidence in the watch's provenance and condition. Whether you are adding to a serious Zenith collection, seeking a versatile everyday sport watch with a heritage pedigree, or looking for a gift-worthy timepiece with lasting appeal, this reference delivers. Reach out to our team at bizakandco.com to inquire, purchase online, or arrange a viewing — we are committed to providing the best price and a seamless buying experience.

Technical Details
Reference
03.A3648.670/21.M3648
Model
Defy Revival
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Black with Orange Indices
Case size
37mm
Requested condition
Brand New
FAQ

1. What makes the Zenith Defy Revival 03.A3648.670/21.M3648 special?
This reference is a modern reinterpretation of Zenith's iconic 1969 Defy, faithfully reproducing the original's case shape, bracelet design, and dial aesthetic. The bold black dial with orange indices and compact 37mm stainless steel case make it a standout piece that bridges vintage heritage and contemporary quality.

2. What movement powers the Zenith Defy Revival 03.A3648.670/21.M3648?
The specific caliber details for this reference have not been confirmed in the available product information. For precise movement specifications, we recommend contacting Bizak & Co. directly or consulting Zenith's official documentation for this reference.

3. What is the case size of the Zenith Defy Revival 03.A3648.670/21.M3648?
The watch features a 37mm stainless steel case, which is intentionally sized to reflect the proportions of the original 1969 Defy. This makes it one of the more wearable and versatile options in the Defy Revival collection, suitable for a variety of wrist sizes.

4. Is the Zenith Defy Revival a good everyday watch?
Yes — the stainless steel case and integrated steel bracelet are built for regular wear, and the Defy lineage has always been rooted in robust, tool-watch functionality. The 37mm case size also makes it comfortable and unobtrusive for daily use across a variety of settings, from casual to business casual.

5. What is the dial and bezel like on the ref. 03.A3648.670/21.M3648?
The dial is black with orange indices, delivering high contrast legibility and a sporty, vintage-inspired aesthetic that recalls the bold design language of the original Defy. The bezel is stainless steel with clean, unfussy lines that complement the case and dial without distraction.

6. Is this a good buy and how can I purchase it from Bizak & Co.?
This brand-new Zenith Defy Revival 03.A3648.670/21.M3648 represents an excellent opportunity to own a heritage-inspired Zenith at a competitive price point. Visit bizakandco.com to buy online, or contact our team directly to discuss pricing, availability, and any questions you may have before purchasing.

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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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