ROAN Heritage Black Alligator Grain Leather Strap with Deployant Clasp – 18mm 20mm 22mm 24mm
ROAN Heritage Black Alligator Grain Leather Strap with Deployant Clasp – 18mm 20mm 22mm 24mm
How to Find Your Strap Size (Lug Width & Fit Guide)
How to Find Your Strap Size (Lug Width & Fit Guide)
📏 How to ensure the perfect fit for your watch:
- Step 1: Use a ruler or caliper to measure the inner distance between the two lugs (horns) of your watch case.
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Step 2: Match the measurement to our standard sizes:
• 20 mm inner width → Select 20mm
• 22 mm inner width → Select 22mm
💡 Need help verifying your watch model? Message us via live chat or email support with your watch brand and model.

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Refined Horological Elegance, Reimagined.
Conceived in our British design atelier, the Heritage Leather Collection pairs traditional bespoke tailoring with modern horological versatility. Handcrafted from supple top-grain calfskin and sculpted with deep-definition alligator embossing, this strap seamlessly elevates everything from refined dress pieces to vintage chronographs.
High-definition thermo-molded scales capture the natural relief, lustre, and depth of exotic hides with daily durability.
Solid marine-grade stainless steel deployant mechanism eliminates harsh leather bending, significantly extending strap lifespan.
Ultra-soft, skin-friendly leather backing engineered for exceptional breathability and irritation-free all-day wrist comfort.
Precision contrast perimeter stitching completed with sealed multi-layer edge lacquer to guard against daily fraying.
| Design Heritage | ROAN STRAPS Studio (London / UK) |
| Upper Material | Hand-selected Top-Grain Calfskin (Embossed Alligator Pattern) |
| Lining Material | Supple, sweat-resistant genuine calf backing |
| Clasp System | CNC-machined 316L Stainless Steel Dual-Push Butterfly Deployant Clasp |
| Padding Profile | Gentle anatomical taper (~4.2mm near lugs down to ~2.8mm at clasp) |
| Edge Finishing | Multi-pass heat-sealed edge lacquer for extended wear resistance |
Universal Straight-Lug Fitment: Engineered to fit any timepiece with standard straight-lug cases across 14mm, 16mm, 18mm, 19mm, 20mm, 21mm, 22mm, and 24mm lug widths. Universally compatible with popular mechanical and quartz timepieces from brands such as Seiko, Omega, Tudor, Rolex, Longines, Tissot, Hamilton, IWC, Breitling, and standard smartwatch mounts.
Wrist Sizing: Micro-adjustable holes provide a tailored fit for wrist sizes ranging from 6.3" to 8.2" (160mm – 210mm).
Shipping & Delivery Times
Shipping & Delivery Times
✦ 100% Free Tracked Shipping on all global acquisitions. Meticulously inspected & dispatched within 1–2 business days.
Priority express routing via DHL, FedEx, or UPS available upon bespoke inquiry.
15-Day Returns & Exchanges
15-Day Returns & Exchanges
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Real Hands-on Experience from ROAN STRAPS Collectors
Real Hands-on Look by Watch Collectors