We're happy to help.
eBay
For Longines Master Collection Moonphase Genuine Leather Watch Strap 18/19/20/21/22mm Development Clasp Premium Soft Texture
Aliexpress UK
Surface material: 100% Genuine Crocodile leather. Our bands also were made from genuine leathers. Underside material: Cowhide leather. Band Width / Buckle Width : 18mm/16mm, 19mm/16mm, 20mm/18mm, 21mm/18mm, 22mm/20mm.
eBay
Stainless Steel Wacthband Straps for Tissot for Citizen for Longines Curved Bracelets 12/14/16/18/19/20/22/24mm Sport Wristbands
Aliexpress UK
18mm Strap: Lengths 125mm / 95mm exc. buckle; buckle width 18mm. 20mm Strap: Lengths 130mm / 95mm exc. 22mm Strap: Lengths 130mm / 95mm exc. buckle; buckle width 20mm. 24mm Strap: Lengths 130mm / 95mm exc.
eBay
21mm Fluorous Rubber Watchband for Longines hydroconquest L3.781/L3.883.4 Conquest Sports Diving Watch Strap+Metal interface
Aliexpress UK
Upgrade your watch with this dragon pattern beads of rice style stainless steel watch strap. ⌚ Dragon Pattern Beads of Rice Watch Strap – 20mm / 22mm Stainless Steel. 📏 Available in 20mm and 22mm lug widths.
eBay
Stainless Steel Watch Strap Metal Wristband12 13 14 15 16 17 18 19 20 21 22 23 24mm Curved End Bracelet for LONGINES Master Band
Aliexpress UK
Light weight and beautifully supple with a comfortable silky feel on the wrist, they suit a wide variety of watch styles. Width: 18mm / 20mm / 22 mm. Clasp: Stainless steel (brushed). Free pair of spring bars included with every bracelet.
eBay
18/20/22/24mm Universal FKM Rubber Strap Waterproof Quick Release Sailcloth Leather Watch Band For Longines Seiko Omega IWC Belt
Aliexpress UK
24mm (Buckle end 20mm). STRAP SIZE: 18mm (Buckle end 16mm). STRAP MADE OF BEST QUALITY GENUINE LEATHER. 19mm (Buckle end 18mm). 20mm (Buckle end 18mm). 21mm (Buckle end 18mm). 22mm (Buckle end 20mm). STRAP COLOR: Black.
eBay
For Longines Conquest L3.781 L3.782 L3.742 L3.642 Silicone Rubber Dive Watch Band Replacement Strap 21mm Cut Adjustable Bracelet
Aliexpress UK
Width: 18mm, 20mm or 22mm. Weight: 18mm: 75g 20mm: 90g, 22mm: 100g. 316L Stainless steel. You can’t beat the classics, and the iconic beads of rice watch bracelet is an undisputed classic. Max Length: 175mm (18mm version = 168mm).
eBay
MAIKES Handmade Watchband calfskin strap men's Vintage Genuine leather watch band 20mm 22mm 24mm For Panerai MIDO Longines
Aliexpress UK
🧩21mm Curved Steel Strap for Longines – Premium Stainless Watch Bracelet. ✔21mm Lug Width – Exact match for compatible Longines cases. ✔Precision Fit – Curved end links for Longines models like L3.642.4 / L3.781.4.
eBay
21mm Curved End Fluoro Watchband for Longines Conquest Hydro Conquest L3.781 642 742 782 Sports Diving Rubber Watch Strap
Aliexpress UK