
MoonSwatch Mission to Earth · Ref. MOONSWATCH MISSION TO EARTH · 20mm lug
At a Glance
| # | Best For | Strap | Material | Thickness |
|---|---|---|---|---|
| 1 | Overall / First Purchase | Black Saffiano Signature Strap | Saffiano Calfskin | 4.5–2.2mm |
| 2 | Dressy / Formal | Matte Green Ischia Alligator Signature Strap | Alligator | 4.5–2.2mm |
| 3 | Everyday / Casual | Nubuck Black Ostrich Leg Signature Strap | Nubuck Calfskin | 4.5–2.2mm |
| 4 | Minimalist / Refined | Cognac Shell Cordovan Slim Strap | Shell Cordovan | 2.2mm |
| 5 | Casual / Relaxed | Green Crazy Horse Side-Stitch Strap | Waxy Leather | 2.5mm |
| 6 | Active / Sporty | Grey Mosaic CTS Rubber Strap | FKM Rubber (Mosaic) | 4.0–3.3mm |
| 7 | Comfort / Wildcard | Forest Green Ostrich Leg Signature Strap | Ostrich | 4.5–2.2mm |
I have always believed that the right strap can fundamentally change how you experience a watch. The MoonSwatch Mission to Earth (ref. MOONSWATCH MISSION TO EARTH) proves this better than most. The finishing and attention to detail speak for themselves. The 20mm lug width opens up a wide range of possibilities.
The case with its 13.25mm profile gives you just enough wrist presence to anchor different strap materials without the watch disappearing. Here are my 7 picks — and why each one works.
Quick Specs
| Case diameter | |
| Lug width | 20mm |
| Lug-to-lug | |
| Case thickness | 13.25mm |
| Water resistance | 30m (3 ATM) |
| Crystal | Domed hesalite |
| Case material | BIOCERAMIC (2/3 ceramic, 1/3 bio-sourced plastic) |
| Movement | Quartz (Swatch calibre) |
The 20mm lug width means your options are curated but well-covered. Already know what you're looking for? Browse all MoonSwatch Mission to Earth-compatible straps on the Strap Finder →
1. Best Overall — Black Saffiano Signature Strap

Every watch needs a go-to strap, and for the MoonSwatch Mission to Earth, this is it.
The Black Saffiano Signature Strap uses saffiano leather — that signature cross-hatch embossed pattern you see on high-end bags and accessories. It is remarkably scratch-resistant and handles moisture better than most leathers, which makes it one of the most practical premium options you can put on a watch. At 4.5–2.2mm thick, it balances presence and wearability nicely.

Paired with the MoonSwatch Mission to Earth's distinctive dial, this strap adds a layer of personality that the factory option does not offer. The 13.25mm case thickness means a padded strap like this one feels proportional and substantial.
The kind of strap that earns a permanent spot in your rotation.
If this style appeals but you want a different tone:
2. Best Dressy — Matte Green Ischia Alligator Signature Strap

When you need to dress the MoonSwatch Mission to Earth up, this is the strap that delivers.
The Matte Green Ischia Alligator Signature Strap is crafted from genuine alligator leather — not embossed calfskin, the real thing. Each scale pattern is unique, and the matte finish gives it a refined presence that catches light without being flashy. The leather is supple from the start with minimal break-in needed. At 4.5–2.2mm thick, it balances presence and wearability nicely.

On the MoonSwatch Mission to Earth, this strap preserves the watch's go-anywhere character. The case at 13.25mm thick pairs naturally with the padded construction without creating any imbalance on the wrist.
The kind of strap that earns a permanent spot in your rotation.
If this style appeals but you want a different tone:
- Matte Black Alligator Signature Strap
- Matte Navy Alligator Signature Strap
- Matte Himalayan Alligator Signature Strap
- Matte Mahogany Alligator Signature Strap
3. Best Everyday — Nubuck Black Ostrich Leg Signature Strap

For daily wear, comfort and versatility matter more than anything else.
The Nubuck Black Ostrich Leg Signature Strap is crafted from nubuck leather — soft, velvety to the touch, and comfortable from the first wear. No break-in period needed. The suede-like texture adds a casual warmth that takes the edge off a formal watch without losing sophistication. At 4.5–2.2mm thick, it balances presence and wearability nicely.

Paired with the MoonSwatch Mission to Earth's distinctive dial, this strap adds a layer of personality that the factory option does not offer. The 13.25mm case thickness means a padded strap like this one feels proportional and substantial.
Once you see it on the wrist, it just clicks.
4. Best Minimalist — Cognac Shell Cordovan Slim Strap

Minimalism isn't about doing less. It's about doing exactly what's needed.
The Cognac Shell Cordovan Slim Strap is crafted from premium materials with careful attention to detail and construction quality. At 2.2mm thick, it balances presence and wearability nicely.

Paired with the MoonSwatch Mission to Earth's distinctive dial, this strap adds a layer of personality that the factory option does not offer. The 13.25mm case thickness means a padded strap like this one feels proportional and substantial.
The kind of strap that earns a permanent spot in your rotation.
If this style appeals but you want a different tone:
- Black Shell Cordovan Slim Strap
- Navy Shell Cordovan Slim Strap
- Natural Shell Cordovan Slim Strap
- Green Shell Cordovan Slim Strap
5. Best Casual — Green Crazy Horse Side-Stitch Strap

Weekend straps should feel effortless. This one nails that.
The Green Crazy Horse Side-Stitch Strap uses crazy horse leather — an oil-infused leather that develops character with every scratch and mark. Rub a scratch with your thumb and it blends right back in. It is built for people who actually wear their watches, not baby them. At 2.5mm thick, it balances presence and wearability nicely.

The MoonSwatch Mission to Earth's case is ideally proportioned for this strap. Whether you are wearing it casually or dressing it up, the combination feels intentional. It is the kind of pairing where both the watch and strap look better together than apart.
The kind of strap that earns a permanent spot in your rotation.
If this style appeals but you want a different tone:
- Black Crazy Horse Side-Stitch Strap
- Mocha Crazy Horse Side-Stitch Strap
- Tan Crazy Horse Side-Stitch Strap
- Cognac Crazy Horse Side-Stitch Strap
6. Best Sporty — Grey Mosaic CTS Rubber Strap

A sportier option that brings comfort and durability without sacrificing style.
The Grey Mosaic CTS Rubber Strap is made from FKM rubber — a high-performance elastomer that resists chemicals, heat, and ageing. Unlike silicone, it does not attract dust or lint. Cut-to-size construction means you trim it to your exact wrist measurement — no leftover tail, no keepers. At 4.0–3.3mm thick, it balances presence and wearability nicely.

What makes this pairing work on the MoonSwatch Mission to Earth is the contrast — the refined case finishing against the texture creates visual interest without conflict. With a case, the proportions stay balanced.
The kind of strap that earns a permanent spot in your rotation.
If this style appeals but you want a different tone:
7. The Wildcard — Forest Green Ostrich Leg Signature Strap

Not the obvious choice, but sometimes the unexpected pairing is the best one.
The Forest Green Ostrich Leg Signature Strap is made from ostrich leg leather. Unlike the body leather, ostrich leg has a distinctive scale-like texture with natural ridges and patterns that give it an almost reptilian character. It is soft, supple, and needs virtually no break-in time. At 4.5–2.2mm thick, it balances presence and wearability nicely.

Paired with the MoonSwatch Mission to Earth's distinctive dial, this strap adds a layer of personality that the factory option does not offer. The 13.25mm case thickness means a padded strap like this one feels proportional and substantial.
Worth a look in other colourways:
- Blue Jean Ostrich Leg Signature Strap
- Tapestry Grey Ostrich Leg Signature Strap
- Copper Ostrich Leg Signature Strap
- Dark Grey Ostrich Leg Signature Strap
A Note on Buckle Colour
Quick but important: always match your buckle to your case. The MoonSwatch Mission to Earth's BIOCERAMIC (2/3 ceramic, 1/3 bio-sourced plastic) case calls for a silver (brushed or polished) buckle. All Delugs leather straps ship with a pin buckle and can be upgraded to a Spring Deployant Clasp for extra security and convenience. All Delugs straps come with quick-release spring bars pre-installed, so swapping straps takes seconds.
How to Change the Strap on Your MoonSwatch Mission to Earth
Swapping straps on the MoonSwatch Mission to Earth is one of the easiest upgrades you can make — and with Delugs straps, you don't even need a tool.
If your MoonSwatch Mission to Earth came on a bracelet, you'll first need to remove it. The easiest way to do this at home is with a Bracelet Removal Tool, which lets you compress the spring bars without risking scratches to the lugs or caseback. Once the bracelet is off, you can slide your new Delugs strap straight in.

All Delugs straps come with quick-release spring bars already pre-installed, so changing straps is completely tool-free. Here's how:
- Prepare your workspace. Lay the watch face-down on a soft cloth or microfiber pad to protect the caseback from scratches.
- Release the spring bar. Locate the small lever on the quick-release spring bar. Pull it back with your fingernail or fingertip to compress the bar.
- Remove the strap. While holding the lever, angle the strap out from between the lugs. Repeat for the other side.
- Insert the new strap. Slide one end of the spring bar into the lug hole. Pull the lever on the quick-release spring bar knob, guide the entire spring bar into the opposite lug hole, and then release the knob. You should hear a small click when the spring bar extends and seats into the lug hole.
- Check the fit. Give the strap a gentle tug to make sure both spring bars are securely locked in. If there's any play, reseat the spring bar.
The entire process takes under a minute once you get the hang of it — no spring bar tool required. The MoonSwatch Mission to Earth uses a standard 20mm lug width, and all Delugs straps in 20mm will fit perfectly.
Frequently Asked Questions
What is the lug width of the MoonSwatch MOONSWATCH MISSION TO EARTH?
The MoonSwatch MOONSWATCH MISSION TO EARTH has a 20mm lug width. While 20mm is less common than 20mm, there is still a strong selection of quality straps available. All Delugs straps are available in 20mm.
What is the reference number for the MoonSwatch Mission to Earth?
The reference number for the MoonSwatch Mission to Earth is MOONSWATCH MISSION TO EARTH. You can find this on the caseback of your watch or on the original paperwork. Knowing your reference number helps ensure you get the right lug width when ordering a strap.
Can I use a dressy leather strap on a MoonSwatch versatile watch?
The Mission to Earth is one of the most versatile watches in the MoonSwatch lineup — it takes both dressy and casual straps equally well. That's part of what makes it such a rewarding watch for strap changes. Don't be afraid to experiment.
Do Delugs straps come with spring bars?
Yes — every Delugs strap comes with quick-release spring bars pre-installed. This means you can change straps by hand in seconds, without needing any tools. The quick-release mechanism uses a small lever that you pull with your fingertip to compress the spring bar.
What is the best strap material for the MoonSwatch Mission to Earth?
The Mission to Earth's versatile nature means it works with almost everything. Start with what matches your most common wearing occasion — rubber or sailcloth for active use, nubuck or waxy leather for everyday, and alligator or saffiano for dressier moments. The Strap Finder makes it easy to browse by material and style.
Does MoonSwatch use quick-release spring bars?
Most MoonSwatch watches use standard spring bars that require a tool to remove. All Delugs straps come with quick-release spring bars pre-installed, so once you make the switch, future changes are completely tool-free.
Where can I find straps compatible with the MoonSwatch MOONSWATCH MISSION TO EARTH?
The MoonSwatch Strap Finder shows every Delugs strap compatible with the MOONSWATCH MISSION TO EARTH, filtered by lug width and style. You can also use the general Strap Finder to browse by brand, collection, and material. If you need help choosing, our team is available 24/7 via live chat.
Finding Your Strap
The beauty of the MoonSwatch Mission to Earth is that it rewards experimentation. A dressy alligator for the office, nubuck for the weekend — each strap brings out a different side of the watch.
Use the MoonSwatch Mission to Earth Strap Finder to see every compatible strap in one place, filtered to your exact reference. Or if you'd rather explore by feel, the general MoonSwatch Strap Finder lets you browse the full lineup and find your match.
Not sure which strap is right for your specific Mission to Earth? 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 →
— Marcus

