What warranty comes with WLISTH 6188 Grand Calendar Automatic?

Every NIBOSI watch includes a 1-year warranty against manufacturing defects. Contact support@nibosiofficial.com and we will resolve any issue — no questions asked.

Is WLISTH 6188 Grand Calendar Automatic water resistant?

Yes. This NIBOSI watch is rated at 3ATM — suitable for everyday splash, rain, and hand washing. Not suitable for swimming or prolonged immersion.

What movement does WLISTH 6188 Grand Calendar Automatic use?

Japanese quartz movement — accurate to within 15 seconds per month with 2 to 3 years of battery life. Japanese quartz is the most reliable movement at this price point.

What materials is WLISTH 6188 Grand Calendar Automatic made from?

316L stainless steel case and bracelet — the same grade used in surgical instruments. Mineral crystal glass for the watch face. Built to last with daily wear.

How long does shipping take for WLISTH 6188 Grand Calendar Automatic?

Free international shipping on every order. Tracking provided within 1 to 2 business days. Estimated delivery is 12 to 25 business days depending on your location.