Case Diameter: This Will be of non-public preference, but wider timepieces might dig into your wrist or hand during additional arduous routines. Except if you like massive watches, stick to products that range from 36mm to 40mm. Our preferable method of shipping and delivery is via DHL and FedEx Priority https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/