888-898-4795
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888-898-4795
AUTHORIZED RETAILER. ALWAYS FREE SHIPPING.
Free Standard Shipping On All Orders.
Free Returns only eligible for orders under $500. For orders over $500, returns are accepted within the 30-day time period, but customers must pay for shipping and insurance fees. Please be sure to require a signature confirmation for all orders over $500 and include insurance to cover any lost or damages to the package.
All merchandise (except those indicated as no returns or any merchandise in our Vintage Watches Corner) purchased on TimeMachinePlus.com may be returned in their original, unused condition for a full refund of the purchase price within 30 days from original shipment dispatch date. All returned watches must be not sized and unworn in the condition you received them and in the original box. Conditions apply.
Find more information here.
Brand-New, 100% Authentic. We are an Authorized G-Shock Retailer. Includes G-Shock Backed Warranty at no extra charge.
Based on GRAVITYMASTER, MUDMASTER, and MUDMAN models that deliver peak performance in punishing conditions in the air and on land, this line features a black watch case symbolizing toughness, with accents in vivid emergency colors that capture the world of professionals involved in rescue efforts and other critical missions.
The organic form of the GRAVITYMASTER GR-B300EC is inspired by next-generation aircraft and rendered with a seamless exterior design. The Carbon Core Guard structure and wide 3D face deliver durability, readability, and a comfortable fit. Enjoy all the practical functions as well, including dual-time simultaneously showing the time in two cities, a flight log memory function for recording routes traveled, and more.
Key resin components used in the case, bezel, and band are made with bio-based resin, a material expected to help reduce environmental impact.
| Item | G-Shock Men's Watch |
| Model # | GRB300EC-1A |
| Series | Master of G GRAVITYMASTER |
| Case | Shock Resistant / Carbon Core Guard Structure |
| Case Back | Stainless Steel |
| Case Width | 54.7 mm (Case Thickness - 15.7 mm) |
| Dial Color | Black |
| Dial Features | Mobile Link (Wireless Linking via Bluetooth) / Dual Time / Stopwatch / Countdown Timer / Daily Alarm / LED Light (Super Illuminator) / Calendar |
| Watch Lens | Mineral Glass |
| Strap Color | Black |
| Strap Material | Resin Band (Strap Width 28 mm / Strap Length 8 inches) |
| Clasp | Pin Buckle |
| Movement | Tough Solar (Solar-Powered) |
| Water Resistant | 200 Meters |
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