At a Glance
| # | Best For | Strap | Material | Thickness |
|---|---|---|---|---|
| 1 | Overall / First Purchase | Black CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 2 | Sporty / Everyday | Navy CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 3 | Summer / Standout | Baby Blue CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 4 | Clean / Minimalist | White CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 5 | Bold / Personality | Orange CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 6 | Wildcard / Statement | Red CTS Rubber | FKM Rubber | 4.0mm → 3.3mm |
| 7 | Casual Leather / Texture | Taupe Epsom | Calfskin (Overseas-specific) | ~3.5mm |
The Vacheron Constantin Overseas is the Maltese Cross's answer to a question nobody expected from a 270-year-old maison: can a heritage brand make a serious luxury sport watch? The answer, as thousands of collectors have discovered, is an emphatic yes. The Overseas balances the brutalist confidence of a Gerald Genta-era design with the kind of finishing that only Vacheron Constantin can deliver — hand-applied indices, a Geneva Seal-certified movement visible through the sapphire caseback, and that instantly recognisable Maltese Cross bezel.
But the Overseas has a secret weapon that sets it apart from every other luxury sport watch: a proprietary quick-release interchangeable strap system. Vacheron designed it so owners can swap between metal bracelet, leather strap, and rubber strap in seconds — no tools required. It's brilliant, but it also means standard aftermarket straps won't fit. You need straps engineered specifically for the Overseas lug geometry.
That's where Delugs comes in. Our VC Overseas-specific straps are designed to fit the proprietary integrated lug system perfectly, with a refined 25mm-to-18mm taper that's actually slimmer than the OEM rubber's 20mm buckle width. The result is a more elegant taper that elevates the Overseas beyond what the factory straps offer. Here are my 7 picks for the most versatile luxury sport watch on the market.
Quick Specs
| Case diameter | 41mm |
| Lug width | 25mm (proprietary integrated) |
| Lug-to-lug | ~48mm |
| Case thickness | 11mm |
| Water resistance | 150m |
| Case material | Stainless steel / 18K rose gold |
| Strap system | Proprietary quick-release (integrated lugs) |
The key thing to understand about the Overseas is that standard watch straps will not fit. The integrated lug design requires straps engineered specifically for the Overseas geometry. Delugs' VC Overseas straps taper from 25mm at the case to 18mm at the clasp — a slimmer, more refined taper than the OEM's 20mm buckle width — and they're secured with a custom leaf-spring deployant clasp. Because the Overseas comes in both stainless steel and 18K rose gold, always select the matching clasp colour: silver for steel models, rose gold for gold.
Already know what you're looking for? Browse all Overseas-compatible straps on the Strap Finder →
Best Overall — Black CTS Rubber Strap

Vacheron Constantin Overseas 4500V · 25mm lug · 41mm case
The Overseas was built to travel, and the Black CTS Rubber is the strap that lets it do exactly that. The Pyramid-patterned FKM rubber is completely waterproof, sweat-proof, and practically indestructible — everything you want from a sport watch strap on a watch with 150 metres of water resistance.

What sets the Delugs CTS Rubber apart from the factory rubber is the taper. VC's OEM rubber tapers to 20mm at the clasp; the Delugs version tapers to 18mm, creating a more elegant line from case to buckle. It's a subtle difference that you notice immediately on the wrist. The cut-to-size design means you trim the strap to your exact wrist circumference — no holes punched for a generic small-medium-large fit. The result is a clean, seamless look with the leaf-spring deployant clasp.
Black rubber on the Overseas is the new default. It's what the bracelet wishes it could be on hot days, long flights, and any situation where stainless steel on skin isn't ideal. Start here.
Best for Sporty Everyday — Navy CTS Rubber Strap

If black is the safe choice, Navy CTS Rubber is the smart one. Navy adds just enough colour to feel intentional without crossing into "look at my strap" territory. On the blue-dial Overseas (ref. 4500V/110A-B128), it creates a tonal harmony that looks factory-intended — like it was always meant to come this way.

On the silver-dial version, navy rubber introduces a welcome contrast that warms up the overall package. The steel case picks up cooler tones from the navy, while the pyramid texture catches light in a way that gives the strap visual depth. It reads as sport-luxe in the best possible sense — equally at home on a yacht deck as it is running errands in the city.
Navy is my recommendation for Overseas owners who want to differentiate from the bracelet crowd without making a loud statement. It's confident, restrained, and pairs with everything from swim shorts to a linen suit.
Best for Summer — Baby Blue CTS Rubber Strap

The Overseas is supposed to be a travel watch, and the Baby Blue CTS Rubber is the strap that takes it to the Mediterranean. This is the colour of Aegean waters and Santorini skies — bright enough to make a statement, refined enough that it still belongs on a Vacheron Constantin.

Baby blue rubber on a steel Overseas is the kind of combination that gets noticed in exactly the right way. It's playful without being juvenile, colourful without being garish. The Pyramid texture adds a subtle sportiness that prevents the colour from reading as too precious. On the blue-dial model, it creates an interesting lighter-darker contrast; on the silver dial, it adds a splash of Mediterranean energy that transforms the watch's personality entirely.
This is the strap for holidays, summer weekends, and anyone who thinks luxury watches should bring joy, not just respectability. Pack the bracelet for the office and swap to baby blue when the temperature rises.
Best for Clean Minimalism — White CTS Rubber Strap

White rubber on a luxury sport watch is the ultimate power move. The White CTS Rubber transforms the Overseas into something that looks like it was designed by a minimalist architect — all clean lines and stark contrasts. Against the steel case, white rubber creates a visual lightness that makes the watch feel like it weighs nothing.

The practical concern with white rubber is always staining, but FKM rubber is non-porous and cleans easily with soap and water. Unlike white leather, it won't absorb sweat or sunscreen. The Pyramid texture breaks up the white surface enough that it doesn't look clinical — there's depth and pattern there when you look closely, which keeps the strap from reading as flat or cheap.
White rubber on the Overseas is for the owner who treats their watch like a fashion accessory in the best sense — someone who understands that a $25,000 sport watch should be fun, not precious. It's polarising, and that's the point.
Bold Pick — Orange CTS Rubber Strap

Orange is the colour that separates the Overseas from its more conservative competitors. Neither the Royal Oak nor the Nautilus ever looked this playful on a factory level, and the Orange CTS Rubber leans into the Overseas's inherent versatility with full confidence.

There's a reason luxury sport brands — from Hermès to McLaren — keep coming back to orange: it's energetic without being aggressive, warm without being loud. Against the cool grey of stainless steel, orange rubber creates a complementary contrast that's genuinely beautiful. On the rose gold Overseas, the warmth-on-warmth combination is even more striking — golden case and sunset-orange rubber make for a seriously head-turning package.
This is not a strap for the timid. It's for Overseas owners who understand that one of the great privileges of owning a luxury sport watch is the freedom to have fun with it.
Wildcard — Red CTS Rubber Strap

If orange is bold, Red CTS Rubber is audacious. Red on the Overseas is the kind of combination you see once and can't stop thinking about. It's the most assertive colour in the range, and on a watch that's already designed to be noticed, it turns the volume up to exactly the right level.

Red rubber on a steel Overseas creates a racing-inspired aesthetic that nods to the automotive world without being literal about it. On the rose gold model, the red-and-gold combination has regal overtones — think of it as the Overseas's evening mode. The Pyramid texture is essential here: it breaks up the red surface into faceted planes that catch and release light, preventing the strap from looking like a solid block of colour.
This strap is for occasions when black and navy feel too predictable. It won't be your everyday wear — but when you reach for it, you'll wonder why you don't wear it more often.
Best Leather Option — Taupe Epsom Strap

Sometimes rubber isn't the right energy. When you want the Overseas to lean dressier — dinner reservations, gallery openings, any setting where a steel bracelet or rubber strap feels too sporty — the Taupe Epsom is the answer. Epsom leather's fine crosshatch grain adds warmth and texture that rubber simply can't replicate.

Taupe is a warm neutral that bridges the gap between the Overseas's sporty DNA and dressier occasions. It complements the steel case without fighting it, and on the rose gold model, the warm-on-warm combination looks like it belongs at a Riviera dinner party. Epsom is also one of the most practical leather choices — it's naturally resistant to scratches, moisture, and staining, which matters on a watch you might be wearing near water.
The leather straps for the Overseas use the same proprietary fit and quick-release system as the rubber options, so swapping is equally effortless. Consider this strap the bridge between sport and dress — the Overseas's secret weapon for looking appropriate anywhere.
- Navy Saffiano — more formal, crosshatch texture with deeper colour
- Light Grey Nubuck — velvety soft, casual-leaning alternative
- Orange Chèvre — supple goatskin in a bold colour, best of both worlds
- White Chèvre — minimalist leather option for summer
A Note on Clasp Colour

All Delugs VC Overseas straps — both rubber and leather — ship with a leaf-spring deployant clasp. Since the Overseas comes in stainless steel and 18K rose gold, always match your clasp colour: silver for steel models, rose gold for gold. This is non-negotiable on a watch at this level. Mismatched metals on a Vacheron Constantin is like wearing brown shoes with a tuxedo — technically possible, but why would you?
How to Change the Strap on Your Vacheron Constantin Overseas
This is where the Overseas truly shines. Vacheron designed a proprietary quick-release system that makes strap changes effortless — no tools required.
- Flip the watch over. Lay it face-down on a soft microfiber cloth. The Overseas's polished surfaces are scratch-prone, so use a clean, lint-free surface.
- Locate the release buttons. On the caseback, near where the strap meets the case, you'll find two small push buttons — one on each side.
- Press and slide. Press the release button and gently slide the strap away from the case. It should detach smoothly with minimal force.
- Attach the new strap. Align the new strap's connector with the lug opening and slide it into place until you hear a click. The spring-loaded mechanism locks it securely.
- Verify the lock. Gently tug the strap to confirm it's fully seated. You should feel zero movement or play.
The entire process takes under 30 seconds once you've done it a few times. This is the Overseas's party trick — going from steel bracelet to rubber strap to leather in under a minute.
Frequently Asked Questions
Can I use standard watch straps on the Vacheron Constantin Overseas?
No. The Overseas uses a proprietary integrated lug system that requires model-specific straps. Standard 20mm, 22mm, or any other lug-width straps will not fit. Delugs produces VC Overseas-specific straps in both CTS Rubber and leather that are engineered to fit the exact lug geometry and quick-release mechanism.
What's the difference between Delugs and OEM Overseas rubber straps?
The main difference is the taper. VC's factory rubber tapers from 25mm to 20mm at the clasp; Delugs rubber tapers from 25mm to 18mm. This slimmer taper creates a more refined, elegant look on the wrist. Delugs also offers far more colours than VC's factory lineup, and our cut-to-size design means you trim the strap to your exact wrist circumference rather than relying on punched hole positions.
Are the Delugs Overseas straps compatible with the VC quick-release system?
Yes. All Delugs VC Overseas straps use the same proprietary connector system as the factory straps. You attach and remove them using the same push-button mechanism on the caseback — no tools, no spring bars, no guesswork.
What clasp colour should I choose?
Match the clasp to your case metal. Stainless steel Overseas = silver clasp. Rose gold Overseas = rose gold clasp. All Delugs VC Overseas straps come with the appropriate leaf-spring deployant clasp.
Can I swim with the CTS Rubber strap?
Absolutely. The FKM rubber is completely waterproof, and the Overseas has 150 metres of water resistance. The CTS Rubber strap is designed for active wear — swimming, sailing, workouts, or any situation where water is involved. Just rinse with fresh water after saltwater exposure.
Is the Overseas too sporty for leather straps?
Not at all. The Overseas is one of the most versatile luxury sport watches precisely because it transitions between sport and dress so well. The Taupe Epsom and Navy Saffiano leather options dress it up without fighting its sporty DNA. VC themselves include a leather strap option with the watch, so leather is very much part of the Overseas story.
How do I clean my CTS Rubber strap?
Soap, water, and a soft cloth. FKM rubber is non-porous, so it won't absorb sweat, sunscreen, or saltwater. For stubborn marks, a soft-bristled toothbrush works well. Avoid solvents or harsh chemicals. The strap will look new again in under a minute.
Finding Your Strap
The Overseas's interchangeable strap system is one of its defining features — use it. Start with the Black CTS Rubber (#1) as your go-to sport and travel strap, add Navy (#2) for a more refined everyday option, and keep the Taupe Epsom (#7) ready for evenings when the bracelet feels too casual and rubber feels too sporty. That three-strap rotation covers virtually every situation you'll encounter.
Use the Vacheron Constantin Overseas Strap Finder to see every compatible strap for your specific Overseas reference and case material.
Not sure which strap is right for your Overseas? Our team is available 24/7 via live chat — drop us a message and we'll help you find the perfect match for your watch, wrist size, and style.
About Delugs

Founded in 2018 and headquartered in Singapore, Delugs is dedicated to elevating the experience of watch ownership through the simple yet powerful act of strap changing. We believe that straps are integral to how a timepiece is worn, perceived, and enjoyed. Our mission is to make strap changing a lifestyle — an everyday act of self-expression and versatility.
Delugs is an independent brand with a global community of clients, with a strong online presence and growing physical retail footprint. Our direct-to-consumer focus keeps us closely connected with the watch enthusiast community — fostering conversations, hosting events, and helping shape a more inclusive and expressive culture around watch collecting. We also work closely with watch brands to craft straps that complement their timepieces, bridging the gap between brand and collector, form and function.
Our catalogue spans leather, rubber, and fabric straps, with options for every watch and every occasion. We are committed to craftsmanship and quality, product design and innovation, and outstanding customer service. We offer watch owners the freedom to change straps as easily as changing outfits, and the opportunity to engage more deeply with the watches they love.
Visit our flagship boutique at Raffles Hotel, Singapore →
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— Marcus

