About OEM and ODM:
1.Accessories:(1).Case: Stainless Steel case or alloy case or plastic case ect.(2).Strap: Leather strap with pin buckle/or other straps like: steel strap/alloy strap/nylon strap/PU leather strap/silicone strap.(3).Movement: Japan movement or Swiss Ronda movement or China movement. (4).Waterproof: normally 1-3ATM (10-30M),5ATM-10ATM,or 20ATM or more.(5).MOQ: 300pcs and 500pcs.(6).Plating: PVD plating: IP black/IP rose gold/IP gold ect.water plating: gold/rose gold/gun metal color ect.(7).Glass: (Flat or domed) Mineral glass/sapphire glass/harden glass,plastic glass ect.