The SEIKO Kinetic never needs a battery change, because it charges with the movement of your body. This model features a blue dial, encased in a stainless steel body. It also boasts a day and date display, and a power reserve indicator. Case: Stainless steel Caseback: Stainless steel screw-down Bezel: Fixed Dial: Blue Hands: Silver Markers: Silver hash marks at each hour Calendar: Day and date display at 3:00 Battery power reserve indicator Bracelet: Stainless steel Clasp: Push-button deployment Crystal: Hardlex Crown: Push/pull Movement: Japanese quartz automatic Water resistance: 10 ATM/100 meters/330 feet Case measurements: 41mm wide x 48mm long x 11mm thick Bracelet measurements: 20mm wide x 8 inches long Model: SMY121 All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8.5-inch wrists. Click here to view our Watch Sizing Guide. Automatic movement winds with the movement of your arm. It is recommended that you wind the watch every two weeks.
