Stainless steel covered in gun PVD case and band Made in China Brass dial, indexes, and hands Hidden butterfly clasp Characterized by a new see-through skeleton dial Gun metal stainless steel bezel Sapphire anti-reflective coating5ATM water resistance Case measures approx 41.5mmBand measures approx 11.5mm Our Style No. D1MF-ML4 Manufacturer Style No. D1-SKBJ11