🔹 22mm stainless steel strap adapter for Citizen BN2021, BN2024 and BN2029 – precision conversion kit designed specifically for the Citizen Promaster Aqualand “大怪兽” series. Solves the lugless case problem by converting the watch‘s proprietary attachment system to accept standard 22mm straps--10. Crafted from durable stainless steel for a secure, long-lasting fit – the essential upgrade for any BN2021, BN2024, or BN2029 owner looking to customize their watch-.
🔹 Precision stainless steel construction – machined from high-grade stainless steel for exceptional durability, corrosion resistance, and a premium finish that matches your Citizen Promaster.
🔹 Unlocks unlimited strap options – transforms your “大怪兽” from a rubber-strap-only watch to a versatile timepiece compatible with any 22mm strap – NATO, rubber, leather, metal bracelets, and more-.
🔹 Complete conversion kit – includes a pair of precision-machined stainless steel adapters, attachment pins, and spring bars for standard straps-12. Everything you need for a hassle-free installation.
🔹 OEM-quality fit – precision-engineered to seamlessly integrate with the BN2021/BN2024/BN2029 case design. No permanent modification required – installs using the watch’s original attachment points.
🔹 Proven by the community – trusted by Citizen “大怪兽” owners worldwide. Compatible with Suppaparts and other popular adapter brands-.
🔹 Multiple finish options – available in brushed and polished stainless steel finishes to match your watch’s aesthetic.






