Tudor Black Bay “Carbon 25” M79377KN 42mm 2025 Box & Papers
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The Tudor Black Bay “Carbon 25” (Ref. M79377KN) is a limited-edition chronograph celebrating the brand’s connection to motorsport. With a 42 mm full carbon fiber case, carbon bezel, and titanium pushers/crown, it brings an ultra-light, radical aesthetic to the Black Bay lineup. Its white opaline dial with blue accents, carbon subcounters, and hybrid leather-rubber strap echo its race-inspired design. Powered by the MT5813 automatic chronograph, it offers a 70-hour power reserve, COSC certification, and 200 m water resistance. Limited to 2,025 pieces, this 2025 model, complete with box and papers, is a striking blend of performance, innovation, and bold visual identity.
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We take pride in the authenticity of every timepiece we sell. Each watch undergoes a meticulous inspection process before being listed on our online store. We guarantee the authenticity of all our items so you can shop with confidence.
Shipping & Handling
Shipping is not included and is the responsibility of the buyer. All shipments are fully insured, and tracking information will be provided once your order has been shipped. For additional details, please refer to our Shipping Policy.
Pricing Information
A 3% surcharge is applied to all credit card transactions. Residents of Virginia are subject to sales tax as required by law.
Special pricing options available for payments through wire. Inquire for more information.
Testimonials
"If I could give 10 stars I would! Hammatime Collection goes above and beyond for their customers. Their timepieces are spectacular and communication is top notch! Highly recommend to anyone looking for their next timepiece! They won't disappoint.”
Jonathan O
"Great seller! The communication was above and beyond and the item was exactly as described. I will do business again in the future! Thank you!”
Paul M
"I highly recommend Hammatime for the following reasons: 1. Rapid response time to inquiries. 2. Great status beyond Chrono’s automated notifications. 3. Superb packaging and shipping options. 4. Japanese standard of condition rating, i.e. “very good” IS very good. 5. End-to-end, excellent, smooth and reassuring experience."
Karim D
Frequently Asked Questions
Every timepiece we sell undergoes a rigorous inspection and mechanical testing process to ensure its quality and functionality. We guarantee the authenticity of each watch, giving our customers peace of mind that they are receiving a genuine luxury item. Furthermore, each purchase comes with a one-year warranty covering mechanical defects, showcasing our commitment to quality.
Indeed, Hammatime Collection is proud to offer both services. Whether you’re looking to trade in your current luxury watch or seeking help in finding a specific timepiece, our extensive network and dedicated team are here to assist you. Please reach out to us through the appropriate form on our website, and we will guide you through the process tailored to meet your needs.
We are committed to your satisfaction! You have the option to return a purchased timepiece within 24 hours from the date your item was delivered, provided the item remains in its original condition, including packaging and documentation. The specific terms of any return, including potential restocking fee, will be determined once you have contacted Hammatime Collection to request a return.
