Casio G-Shock

Premium Bluetooth® Carbon & Steel Solar Watch

Discover the perfect blend of technical innovation and elevated design with the Casio G-SHOCK MTG-B4000B-1A2ER, now available at Francis & Gaye. Part of G-SHOCK’s premium MT-G line, this standout timepiece features a refined Dual Core Guard structure, combining lightweight carbon fibre with ion-plated stainless steel to deliver bold aesthetics and unbeatable toughness. The blue-grey bezel and polished black case create a distinctive contrast, making this a true statement watch for the modern adventurer.

Designed to perform in extreme conditions, the MTG-B4000B-1A2ER is equipped with Triple G Resist technology, shielding the watch from shock, vibration, and centrifugal force. A scratch-resistant sapphire crystal ensures clear visibility, while the high-strength metal injection moulded (MIM) case back adds both durability and structural elegance. With 200m water resistance, it’s ready for every journey—from sea to city.

Powered by Tough Solar technology, this watch delivers long-lasting performance and smart convenience. With Bluetooth® connectivity and Multiband 6 radio control, you’ll enjoy automatic time adjustment wherever you are. Additional features include a 1-second stopwatch, countdown timer, world time (39 time zones), auto calendar, LED illumination, and battery level indicator. Whether you're wearing it for its advanced functionality or its precision-engineered style, the MTG-B4000B-1A2ER is a watch that rises to every occasion.

If you’re near one of our stores in Coventry or Loughborough, you’re very welcome to collect your online order in person. Simply give our customer service team a call on 0800 977 4391 and we’ll make sure everything is ready for you when you arrive.

If you’re not local, or just short on time, we offer a range of delivery options to suit you. We have partnered with DHL, DPD & Royal Mail, options include free UK delivery services on orders over £75.00, to express delivery options to most destinations worldwide. All delivery options (excluding 2nd class) are fully tracked and insured for your peace of mind.

Read our Delivery Information page (opens in new window) for a list of all delivery options.

We want you to be completely satisfied with your purchase. If for any reason you are not, you may return your order within the periods below for a full refund or exchange; T&C's apply.

Not Wanted, Wrong or Arrived Damaged
30 DAYS

Orders with Optional Insurance
14 DAYS

For full details please visit our Returns & Exchanges page (opens in new window).

We offer professional engraving on a range of items with precision and care. Whether you’re personalising a gift or adding a special message, we can help bring your idea to life.

Please visit our Engraving page for full details (opens in new window).