Swatch
MoonSwatch SO33A100— lug 20mm
Swatch MoonSwatch SO33A100: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Swatch SO33A100The essential strap measurement.
Browse 20mm straps →SO33A100
ETA caliber G10.212 AB ND Hours, Minutes, Small Seconds | Chronograph, Rattrapante
The Heritage
Compatible Straps
Selected for the 20mm lug width of the MoonSwatch
FAQ
What is the lug width of the Swatch MoonSwatch SO33A100?
The SO33A100 features 20mm lugs, a standard measurement for contemporary sports chronographs. To verify compatibility, use a digital calliper to measure the distance between the internal lug holes: 20mm is the space where the strap end sits. This measurement enables versatile pairing with leather, NATO, and rubber straps.
Which strap is most suitable for the Swatch MoonSwatch SO33A100?
Selection depends on use context. A vegetable-tanned alligator strap imparts formal gravity whilst maintaining breathability. For vintage aesthetics, shell cordovan develops rich patina over time. For sport and outdoor activities, a ballistic nylon NATO or FKM rubber strap offers durability and practicality. The ideal colour palette contrasts the matte black dial: cognac brown, grey, or navy blue amplify the chronograph's visual impact.
How do you change the strap on the Swatch MoonSwatch SO33A100?
The SO33A100 utilises standard 20mm lugs. To replace the strap: remove the watch and position it on a stable surface. Use a spring bar tool to gently open the spring inside the upper lug, extract the pin, slide the old strap out, and insert the new strap under the lugs. Finally, reinsert the pin into the spring, ensuring it clicks securely into place.
Which aftermarket straps are compatible with the Swatch MoonSwatch SO33A100?
All straps with 20mm lug width are compatible. On milanostraps.it you'll find leather straps (alligator, calf, shell cordovan), NATO straps in ballistic textile, and FKM rubber and medical-grade silicone straps. Most feature a folding deployante for quick release, ensuring convenience and closure precision. Verify that the strap is compatible with 20mm lugs.
How long does a leather strap last on the Swatch MoonSwatch SO33A100?
Longevity depends on material and usage. A vegetable-tanned alligator strap, with regular maintenance (monthly cleaning, quarterly conditioning), lasts 3–5 years with daily wear. Shell cordovan is more durable, lasting 5–7 years with improving patina over time. FKM rubber straps last 2–3 years before showing signs of deterioration. Rotating between multiple straps extends the lifespan of each, reducing exposure to the skin's natural oils.