Movement: Custom 3 hand Swiss quartz movement with tide subdial. Case: 300 meter, 51 mm custom stainless steel interior case with hardened mineral crystal and anti-glare. Custom injected silicone uni-directional rotating bezel. Band: One piece injected silicone case and band with re-inforced stainless steel lugs. Stainless steel buckle with patented locking looper.