- Open balance wheel movement Miyota 8215, 40H power reserve, and 3 customized disks
- Specially hardened and antireflective treated mineral glass
- Japanese-automatic Movement
- Case Diameter: 47.6mm
- Water Resistant To 99 Feet
Publisher: SEVENFRIDAY Watches MFG Code
Details: Stainless steel case with a black rubber strap. Fixed bezel. Silver dial. Dial Type: Analog. Automatic movement. Solid case back. Case diameter: 47 x 47.6 mm. Square case shape. Tang clasp. Water resistant at 30 meters / 100 feet. Functions: hour, minute. Additional Info: time is displayed on rotating discs.. Luxury watch style. Sevenfriday M Series Silver Dial Black Rubber Automatic Mens Watch M1.