MOVEMENT: Japan Citizen - Miyota Automatic 82S0 (21 Jewels) FUNCTIONS: 3 HANDS CASE: STAINLESS STEEL WATER PROOF: 50M GLASS: DURABLE FLAT SAPPHIRE BAND: ITALIAN GENINUE LEATHER STRAP **Movement** Watch movements are arguably the most important part of a watch: as the heart and brains of our timekeeping devices. After carefully evaluating a number of options, we sensibly picked Japan Citizen (Miyota) Mechanical 82S0. Beating to a frequency of 21,600 BPH. It has proven to be more accurate than most mechanical watches at 18,000 BPH. In the technical documentation, Miyota claims that the accuracy range is within -20~+40 seconds per day under normal conditions. The movement has 21 jewels to reduce friction and wear on moving parts, maintain temperature stability. It is hand-windable. With the massive about 42 hours power reserve after fully wound up. You do not need to constantly wind it. **Interchangeable strap construction** All watches are completed with interchangeable strap construction. It is an easy, friendly way for you to detach and attach the strap. Just slide the lever with finger on spring bar on the backside of watch. You can change your strap easily with no additional tools entailed. **SHIPPING** Free standard shipping by country’s local stream. You may receive the parcel in 5-20 days from the date that it is shipped out. The time depends on your location local postal service.