Automatic tourbillon N900 The N900 represents a unique, simple design with a luxurious feel and look. The classy watch is equipped with a tourbillon to guarantee an extremely precise movement accuracy. 5 ATM water resistance enables use even during the heaviest rain. It is very easy to separate yourself from the regular guys with the N900 tourbillon watch. With great attention to detail, this watch represents the high-class of all watches, all for a very affordable price. 1 Year international warranty No battery needed Water resistance: 5 ATM Weight: 80g Power reserve: 50 Hours Dial diameter: 41mm Case material: 316L Stainless steel Case thickness: 13 mm Time accuracy: +/- 6 Seconds a day Window material: Sapphire crystal Movement: Automatic self-wind Band material: Genuine leather Band width: 20mm Band length: 22cm Maintenance of a hand wind watch The Automatic Tourbillon N900 is an automatic self-wind mechanical watch, which means that it doesn't require a battery. Hand-wound watches need to be winded before use. After the first winding, the watch will keep moving and winds itself automatically from natural hand movement if used at least 8 hours during the day. How to wind a hand-wound watch? Pull out the crown Screw the crown anti-clockwise to the current time Push the crown back Turn the crown clockwise until you feel the resistance (about 15-20 rounds) Stop winding the watch when you feel the resistance. If you overwind the watch, the spring might break.
