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AUTHORIZED RETAILER. ALWAYS FREE SHIPPING.





Free Standard Shipping On All Orders.
Free Returns only eligible for orders under $500. For orders over $500, returns are accepted within the 30-day time period, but customers must pay for shipping and insurance fees. Please be sure to require a signature confirmation for all orders over $500 and include insurance to cover any lost or damages to the package.
All merchandise (except those indicated as no returns or any merchandise in our Vintage Watches Corner) purchased on TimeMachinePlus.com may be returned in their original, unused condition for a full refund of the purchase price within 30 days from original shipment dispatch date. All returned watches must be not sized and unworn in the condition you received them and in the original box. Conditions apply.
Find more information here.
Introducing the Supermarine 300m Date Bi-Colour, featuring a sleek profile case shape crafted in 904L stainless steel and 18ct rose gold.
The 18ct rose gold-capped, knurled-edged bezel showcases trapezoid indexes on the uni-directional brown aluminum insert, seamlessly transitioning onto the dial to form a naval-inspired crosshair that draws the eye to the striking brown gradient dial. Enhancing this design is the superior durability of the 904L steel case, an evolution from the previous 316L steel, paired with the clarity of applied indexes and Super-LumiNova® for exceptional visibility in low light. Completing the look is the elegant 18ct rose gold-capped screw-in crown.
Turning the case over reveals a case back engraved with a map of the world’s oceans, highlighting the purpose-driven design of this practical yet elegant sports watch.
The Supermarine 300m Date Bi-Colour comes fitted with a quick-release brown leather strap, accented with cream side stitching for a touch of distinctive character.
For those who prefer a different style, the watch can also be paired with our newly designed 904L steel bracelet. Featuring alternating polished and satin-finished infinity-shaped links, the bracelet delivers exceptional fluidity and versatility.
100% Authentic with 5-Year Bremont Backed Warranty Included. Authorized Bremont Retailer.
| Item | Bremont Men's Watch |
| Model # | SM40-DT-BI-BR-L-S |
| Collection | Supermarine 300M Date, Bi-Colour |
| Case | Case construction made from 904L Stainless Steel and Rose Gold |
| Case Back | Stainless Steel Screw-In and Decorated Closed Case Back |
| Bezel | 18ct Rose Gold Capped Knurled Edged Uni-Directional Dive Bezel with Brown Aluminium Insert |
| Dial Color |
Brown Gradient Dial |
| Dial Features | Date Display / Applied Indexes Infilled with White Super-LumiNova / Brown Dial Ring with Printed Minutes Track / Rose Gold Coloured Hour, Minute and Second Hands Infilled with Light Brown Super-LumiNova |
| Clasp | Pin Buckle Clasp |
| Strap Color | Brown |
| Strap Material | Leather Strap (20 mm Strap Width) |
| Movement | Modified Calibre 11 1/2’’’ BE-92AV Automatic Movement / 25 Jewels / Glucydur Balance Wheel / Anachron Balance Spring / Nivaflex Mainspring / 28,800 bph (4Hz) / 50-Hour Power Reserve |
| Case Width | 40 mm (Case Thickness 12 mm) |
| Water-Resistant | 300 meters |
| Crystal | Domed Anti-Reflective, Scratch Resistant Sapphire Crystal |
Yes! We are really an Authorized Retailer for all the brands we carry. See all our brands here.
You better believe it! All orders include Free Shipping in the US and are fully insured. We take great pride in ensuring your watch arrives in excellent condition. See our shipping page here.
Since we are an Authorized Retailer of all the brands we sell on our website, our products come directly from each manufacturer. That means all our watches are 100% authentic, brand-new and include a warranty at no charge to you.
Don't sweat it. Just like anything with a machine, watches can sometimes run into issues. Thankfully all our watches come with a warranty directly from the brands we work with. If you run into issues with your watch, you can always contact us for assistance on a repair or you can contact the manufacturer directly.
YES! All the watches we sell come with the official manufacturer provided watch box, manuals, warranty card and any other accessories which they may provide to us.
Of course. You can call us anytime during our normal business hours at 888-898-4795 or send us email at service@timemachineplus.com. We are always here to help.
Komail was fantastic to work with, honest and fair. I will absolutely buy more pieces from him in the future.
Great purchase experience. Will buy from again!
Really enjoying the watch! But what I appreciated even more was the straightforward customer service as I was considering my purchase. It was a meaningful purchase for me and felt the sales guy was willing to work with me in a clear and direct manner. Process went very smoothly. Will definitely look to Time Machine first for future purchases.
Everything was as described and shipped as described. Will return as a customer
⭐⭐⭐⭐⭐
I’m extremely impressed with this Casio G-Shock DW-5600! The watch itself is in perfect condition, with a crisp display and all functions working flawlessly. The recycled blue style fabric strap is a game-changer — it’s comfortable, durable, breathable, and looks fantastic against the gray resin case. The silver buckle is high-quality and secures perfectly. Seller shipped quickly with excellent packaging. Communication was fast and friendly. This is a top-tier seller — trustworthy, detail-oriented, and clearly passionate about watches. I’ll definitely be back for more! Highly recommended.
Great communication and willing to work with me to strike a deal that fit my budget.
This was my first luxury watch purchase to cap off a year of personal and professional milestones and I couldn’t be happier! It’s an absolutely gorgeous watch, was shipped quickly, was packed well, and I feel secure knowing I bought it from an AD and am backed by Longines’ warranty! It’s everything I hoped it would be and I look forward to many years of use!
Awesome experience. Quick delivery.
This is my first luxury timepiece, and the overall feel is exceptional. The brand itself carries a strong heritage of quality and craftsmanship. The service provided by TimeMachinePlus was outstanding—professional, efficient, and focused on delivering a smooth and pleasant purchasing experience. Any issues or concerns were handled promptly and with priority. Overall, an excellent level of service, complemented by the added confidence of a manufacturer-backed warranty.
Pleased with the watch. Will shop from here again
Wonderful experience, I would definitely order from Time Machine again.
TimeMachine Plus is an authorized dealer for Certina.
Prices are amazing and shipping was much faster than expected.
Wonderful watch and service! Bravo!
First Step into Luxury Watches, couldn't be happier with this watch. It's very striking and I'm already receiving compliments.
First time buyer here from you and I have to say both the watch and the customer service were excellent. would definitely consider future purchased from you

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