888-898-4795
AUTHORIZED RETAILER. ALWAYS FREE SHIPPING.
Brand-New, 100% Authentic. We are an Authorized G-Shock Retailer. Includes G-Shock Backed Warranty at no extra charge.
For the fearless adventurer, a tough and rugged Master of G MUDMASTER featuring a strong, durable metal bezel.
The watches of the G-SHOCK Master of G line, developed for professionals working in the harshest environments, come equipped with even tougher functionality. And the MUDMASTER takes this another step further with the ability to handle the roughest rubble and debris-strewn terrains, earning the appreciation and trust of rangers and rescue teams operating in extreme environments.
The GGB100XM-1A features a silvery stainless-steel bezel with a honing finish, delivering outstanding scratch resistance that protects against mud and dust and a subtle matte texture that minimizes reflected light. The stainless-steel GGB100XMB-1A bezel is ion-plated in black with a mirror finish for both outstanding scratch resistance and a refined luster.
These MUDMASTER employ high rigidity carbon for the carbon fiber-reinforced case to keep damage and warping at bay and ensure a tight seal and excellent shock resistance. Featuring a filter to protect against mud, a stainless-steel panel back, and a back cover made of shock-resistant fine resin embedded with glass fibers, these timepieces provide a high level of resistance to dust and mud. Key components for the case and band are made with bio-based resin. Produced using renewable organic resources, this material is expected to help reduce environmental impact.
Practical and functional, the watches are equipped with digital compass, altimeter/barometer, and thermometer, as well as step counter. Easily correct the time using the dedicated app and tap into loads of other useful features including the Mission Log, which automatically records altitude data obtained from the watch and route data obtained by your smartphone.
You can depend on these tough timepieces to deliver what you need to make quick decisions and take decisive action.
| Item | G-Shock Men's Watch |
| Model # | GGB100XMB-1A |
| Series | Master of G-Land Mudmaster |
| Case | Shock and Mud Resistant Stainless Steel / Carbon Core Guard Structure |
| Case Back | Resin / Carbon Core Guard |
| Case Width | 51.3 mm (Case Thickness - 19.4 mm) |
| Dial Color | Black / Digital |
| Dial Features | Analog & Digital / Smartphone Link (Bluetooth App) / Quad Sensor (Thermometer, Altimeter/Barometer, Digital Compass, Step Counter) / World Time / Sunrise/Sunset Display / Stopwatch / Countdown Timer / Alarm / Double LED Light / Calendar |
| Watch Lens | Mineral and Spherical Glass |
| Strap Color | Black |
| Strap Material | Bio-Based Resin Band |
| Clasp | Pin Buckle |
| Movement | Quartz Movement; Functions With a Battery |
| Water Resistant | 200 Meters |
Authorized Retailer
TimeMachinePlus.com is an Authorized Retailer for all the watch brands we carry. Therefore, all our watches are always 100% authentic and brand-new pieces directly from each global watch brand we work with. Each watch includes the original box, warranty card and any additional paperwork provided to us by our brand partners. If you have any questions about any of our watches or the warranty provided, don't hesitate to contact us at 888-898-4795 or send an email to our quickly responsive customer service team at service@timemachineplus.com.
TimeMachinePlus.com is an Authorized Retailer for all the watch brands we carry. Therefore, all our watches are always 100% authentic and brand-new pieces directly from each global watch brand we work with. Each watch includes the original box, warranty card and any additional paperwork provided to us by our brand partners. If you have any questions about any of our watches or the warranty provided, don't hesitate to contact us at 888-898-4795 or send an email to our quickly responsive customer service team at service@timemachineplus.com.
Warranty Information
Warranty periods range from 12 months to 10 Years, depending on the brand. All of the brands we carry come with their international manufacturer warranty. All warranty issues are to be handled directly with the watch manufacturer, so be sure to keep your electronic invoice for proof of purchase from TimeMachinePlus.com as we're an authorized retailer. Contact the brand directly using the information in your warranty booklet or the manufacturer's website for complete warranty terms and repair instructions. Typically the manufacturer's warranty does not cover: battery, crystal, strap or bracelet; damage resulting from improper handling, lack of care, accidents or normal wear and tear; damage from contact with objects; water damage.
Insurance
TimeMachinePlus.com provides insurance coverage for all orders shipped out.
Warranty periods range from 12 months to 10 Years, depending on the brand. All of the brands we carry come with their international manufacturer warranty. All warranty issues are to be handled directly with the watch manufacturer, so be sure to keep your electronic invoice for proof of purchase from TimeMachinePlus.com as we're an authorized retailer. Contact the brand directly using the information in your warranty booklet or the manufacturer's website for complete warranty terms and repair instructions. Typically the manufacturer's warranty does not cover: battery, crystal, strap or bracelet; damage resulting from improper handling, lack of care, accidents or normal wear and tear; damage from contact with objects; water damage.
Insurance
TimeMachinePlus.com provides insurance coverage for all orders shipped out.
FAQS
Frequently Asked Questions
Let customers speak for us
Bryan K.
Great AD!
Komail was fantastic to work with, honest and fair. I will absolutely buy more pieces from him in the future.
Oris Big Crown Pointer Date Calibre 403 40mm Green Dial Men's Watch 01 403 7799 4067-07 8 20 06
N.S.
Great purchase experience. Will buy from again!
G-Shock Digital 5600 Series 44.1mm Black-Digital Dial Men's Watch GWBX5600CBG2
CHRISTOPHER Z.
Longines Spirit Zulu Time- 42mm- Blue dial on Bracelet
Really enjoying the watch! But what I appreciated even more was the straightforward customer service as I was considering my purchase. It was a meaningful purchase for me and felt the sales guy was willing to work with me in a clear and direct manner. Process went very smoothly. Will definitely look to Time Machine first for future purchases.
Longines Spirit Zulu Time 42mm Blue Dial GMT Steel Men's Watch L38124936
Donald
Everything was as described and shipped as described. Will return as a customer
G-Shock Digital 5600 Series 44.1mm Black-Digital Dial Men's Watch GWBX5600CBG2
Carmen
⭐⭐⭐⭐⭐
I’m extremely impressed with this Casio G-Shock DW-5600! The watch itself is in perfect condition, with a crisp display and all functions working flawlessly. The recycled blue style fabric strap is a game-changer — it’s comfortable, durable, breathable, and looks fantastic against the gray resin case. The silver buckle is high-quality and secures perfectly. Seller shipped quickly with excellent packaging. Communication was fast and friendly. This is a top-tier seller — trustworthy, detail-oriented, and clearly passionate about watches. I’ll definitely be back for more! Highly recommended.
G-Shock Digital 5600 Series 44.1mm Black-Digital Dial Men's Watch GWBX5600CBG2
Zachary W.
Great communication and willing to work with me to strike a deal that fit my budget
Great communication and willing to work with me to strike a deal that fit my budget.
Time Machine Plus
Zachary W.
First Luxury Watch Purchase
This was my first luxury watch purchase to cap off a year of personal and professional milestones and I couldn’t be happier! It’s an absolutely gorgeous watch, was shipped quickly, was packed well, and I feel secure knowing I bought it from an AD and am backed by Longines’ warranty! It’s everything I hoped it would be and I look forward to many years of use!
Longines Spirit Zulu Time 39mm Black Matt Dial GMT Men's Watch L38024506
Anonymous
Awesome experience
Awesome experience. Quick delivery.
Certina DS-X GMT 41.2mm Grey Dial Men's Watch C0474521108100
J.M.D.R.
Outstanding Watch & Services
This is my first luxury timepiece, and the overall feel is exceptional. The brand itself carries a strong heritage of quality and craftsmanship. The service provided by TimeMachinePlus was outstanding—professional, efficient, and focused on delivering a smooth and pleasant purchasing experience. Any issues or concerns were handled promptly and with priority. Overall, an excellent level of service, complemented by the added confidence of a manufacturer-backed warranty.
RADO Captain Cook High-Tech Ceramic Skeleton 43mm Black-Rose Gold Men's Watch R32192152
Sergey T.
Authentic Watch - Great Value
Pleased with the watch. Will shop from here again
Tissot PRX Titanium 38mm Anthracite Dial Men's Watch T1378074406100
Anonymous
Wonderful experience
Wonderful experience, I would definitely order from Time Machine again.
BERING Classic Polished Silver 26mm White Mother of Pearl Dial Women's Watch 19126-700
Anonymous
Fast Shipping, Authorized Dealer
TimeMachine Plus is an authorized dealer for Certina.
Prices are amazing and shipping was much faster than expected.
Certina DS Action Diver 40.5mm Blue Dial Men's Watch C0484074404100
Paul W.
Wonderful watch and service!
Wonderful watch and service! Bravo!
Certina DS Action Diver 40.5mm Blue Dial Men's Watch C0484074404100
Anonymous
First Step into Luxury Watches
First Step into Luxury Watches, couldn't be happier with this watch. It's very striking and I'm already receiving compliments.
Longines Spirit Zulu Time 1925 39mm Black Matt Dial Men's Watch L38035536
David F.
Great watch and great customer service
First time buyer here from you and I have to say both the watch and the customer service were excellent. would definitely consider future purchased from you
Longines Heritage Classic Sector Dial Brown Strap Men's Watch L28284532
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