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- RIOS1931 Nature Buffalo Leather Watch Strap - Cognac
RIOS1931 Nature Buffalo Leather Watch Strap - Cognac
Handmade in Germany using traditional leather construction.
The Nature strap from RIOS1931 is a straightforward, heavily built leather strap that offers more substance than its price would suggest. Cut from genuine buffalo leather and finished using traditional techniques, it has a dense, textured character that suits tool watches and larger cases particularly well.
Nature favors durability and structure over refinement or softness, delivering a confident, grounded look on the wrist without unnecessary decoration.
Material & feel
Genuine buffalo leather has a naturally coarse grain and firmer temper than calfskin, giving the strap a thicker, more substantial feel with visible texture and long-term durability. The strap is hypoallergenic, making it suitable for wearers with sensitive skin.
Construction follows the Art Manuel Swiss full-bugg (Rembordé) method, with the leather folded and stitched rather than edge-painted. Handmade saddler’s seams are used throughout, including, impressively, on the keepers.
Specs at a glance
Thickness: approx. 6.0mm→5.0mm (measured at lug end, tapering toward buckle)
Padding: Lightly padded
Lining: Leather
Edges: Painted
Stitching: White
Sheen: Semi-matte
Buckle: Polished stainless steel
Taper by size:
- 18mm → 18mm buckle
- 20mm → 18mm buckle
- 22mm → 18mm buckle
Spring bars: Standard (free pair included)
Apple Watch: 22mm fits Apple Watch (with strap adapters).
Sizing & fit help
Buffalo leather wears with a dense, substantial feel that gives the watch a strong, grounded presence. The leather has noticeable body and texture, holding its shape rather than flexing or collapsing.
The two-piece layout helps keep the watch centered once fastened. With its thicker build and controlled taper, the strap settles into position through daily wear, favoring solidity and consistency over softness or drape.
Length & wrist size:
115mm / 80mm (fits wrists approx. 7.0–8.0in)
Measurements exclude the buckle.
Fits watches like these
20mm strap width fits:
- Glycine Combat Sub 39
- Hamilton Khaki Field
- Omega Seamaster Diver 300M
- Omega Speedmaster Professional
- Oris Big Crown Pointer Date 40mm
Wear & care
Splash only, avoid soaking and prolonged water exposure.
Clean with a soft, slightly damp cloth. Do not use leather cleaners or conditioners. Avoid prolonged moisture and direct sunlight. If damp, dry with a soft cloth and allow to air dry fully.
About the brand
RIOS1931 was founded in Augsburg in 1931 by master craftsman Riemer Oswald. Now in its third generation of family ownership, the company is one of Germany’s most established makers of leather watch straps and accessories.
RIOS1931 continues to operate with a workshop-based approach, emphasizing traditional construction methods, hand-finishing, and controlled production rather than mass manufacture. The focus remains on durability, consistency, and long-term wear rather than trend-driven design.
Shipping
Orders placed by 2:00pm PST on business days typically ship the same day.
Tracking is included with every order and emailed at shipment.
United States
- USPS Ground Advantage: free on orders over $49, or $5.95 on orders up to $49. 3 to 6 business days.
- USPS Priority Mail: $9.95. 2 to 4 business days.
- USPS Priority Mail Express: $25.95. 1 to 3 business days.
International
- USPS First Class International: $17.95. 10 to 21 business days.
For complete shipping details, see our Shipping Policy.
Returns & exchanges
Unused items may be returned or exchanged within 60 days of purchase.
Please contact us before sending an exchange.
For full return details and instructions, see our Returns Policy.
