Bigbang big bang element material timing code table V2 version
1. The watch case is made of imported titanium material, which is explosion-proof
2. Equipped with 7750 modified "hub1242" automatic movement, timing instant start and one click fly back perfectly restore the original function, and the secondary weight increase automatic swing lump achieves more stable travel time and ultra-low repair rate
3. The strap is made of natural oak rubber. The strap is super waterproof, soft and comfortable
4. The surface mirror is made of natural sapphire glass, which is wear-resistant, scratch resistant, transparent and free of defects
