




G-Shock GMB2100SD-1A
4 interest free payments of $224.75
3 months interest free payments of $299.66
G-Shock CasiOak Analogue-Digital GM-B2100 Full Metal Series Mens Watch GMB2100SD-1A. Case size 49.8 x 44.4 x 12.8mm. Finished in full stainless steel with a matching bracelet. Mineral Crystal glass. WR rating of 200m. Solar Power Movement with Bluetooth connectivity to a mobile phone. Approximate weight 165gm.
G-SHOCK Full Metal Series Men's Watch GM-B2100SD-1A. A Bold Statement in Style and Durability. Elevate your style with the G-SHOCK GMB2100SD-1A, a full-metal timepiece that combines classic design with a striking pop of colour. Featuring a vibrant metallic black dial, this watch boasts a sophisticated vapour-deposition finish, creating a bold and unique touch that complements its stainless-steel bezel and brecelet. The robust construction includes fine resin buffering components between the bezel and case, along with a three-pronged shock-resistant structure, ensuring the durability and toughness G-SHOCK is known for—now in a refined full-metal design.
Shock Resistance and Durability with Full-Metal Construction. The GGMB2100SD-1A maintains G-SHOCK's legendary shock resistance despite its full-metal design. The band’s connecting pipes are protected by advanced shock-dispersing components, while the case back features a screw-lock construction for a secure, tight seal. The metal band pieces are dimpled, mimicking the original G-SHOCK resin band design, offering a nod to its heritage while enhancing the overall look.
Solar-Powered and Bluetooth® Connectivity for Optimal Performance. Equipped with solar-powered timekeeping and Bluetooth® functionality, the GMB2100AD-5A ensures precise timekeeping and reliability. The Super Illuminator function guarantees excellent readability, even in low-light conditions, making this watch perfect for any setting.
What we Love: The Perfect Blend of Innovation and Tradition. Stay true to G-SHOCK’s legacy of innovation and toughness with the GMB2100SD-1A, a full-metal timepiece that offers all the shock resistance of the original G-SHOCK, now in a refined, stylish design. Whether for formal, sporty, or casual wear, this watch brings a perfect balance of durability, performance, and style to your wrist.
Click HERE to see the full manual for watch model GMB2100SD-1A
Ships in 1-3 Business Days from Sydney with Australia Post Express. Sydney customers can pick up on the same day from our Alexandria showroom after placing the order by choosing Click & Collect as the delivery option.
2 year Australian warranty from Shriro Australia. StarBuy are Authorised online and instore stockists of Casio G-Shock Watches. All Casio G-Shock Watches are shipped with local and an international manufacturers warranty and in G-Shock original packaging.
Specification
Details:
- Brand G-shock
- Watch Movement Module 5691
- Gender Male
- Reference GMB2100SD-1A
- Type Bracelet
- Warranty Shriro 2 Year
Case
- Case Diamete 44.4mm
- Case Thickness 12.8mm
- Lug to Lug 49.8mm
- Case Material Stainless steel
- Case Shape Round
- Water Resistant 200m / 20ATM / 640 Feet
Bracelet/Strap
- Material Stainless Steel
Features
- Full Metal Casioak Model
- 200-meter water resistance
- 1/100 second stopwatch
Delivery
-
How and when will my StarBuy order be shipped?
We ship all orders via Australia Post Express for fast and reliable delivery. We aim to dispatch every order as quickly as possible—typically within 1–3 business days. You'll receive a confirmation email with tracking details as soon as your order ships. -
Can StarBuy guarantee delivery dates?
While Australia Post Express is generally reliable, their delivery dates are estimates only and may vary, especially during busy periods. We appreciate your understanding if your parcel takes a little longer to arrive. -
Will I need to sign for my order?
Yes, a signature is required upon delivery. If no one is home, we recommend using a work address. Australia Post may offer contactless delivery—in those cases, we follow their current safety protocols. Risk and ownership transfer to the recipient upon delivery. -
What if I am not home when my order arrives?
If no one is available to sign, Australia Post will leave a card with details on how to collect your parcel from the closest authorised Australia Post Office. You’ll need to present a photo ID at the post office to pick it up. If you’ve authorised a Safe Drop with Australia Post previously, they’ll follow your existing instructions. -
Will I get a Shipping Notification?
Absolutely! As soon as your order is on its way, you’ll receive an email with tracking details. We kindly ask for your patience—tracking updates may take up to 3 business days after ordering. -
What are your shipping charges?
We offer free shipping Australia-wide with Australia Post Express. For approved brands shipped to New Zealand, a $10 flat fee will be added to your total at checkout. Approved parcels to NZ are shipped within the Australia Post / NZ Post network. -
Click & Collect?
Prefer a quicker pick-up? Our Click & Collect service makes it easy.
Pickup Location:
StarBuy
Suite 23, 112 McEvoy Street
Alexandria NSW 2015Hours:
Monday–Friday: 10am–5pm
Saturday: 9am–12pmHow it works - Your order will be ready for pickup within an hour during business hours (unless otherwise notified). If someone else is collecting on your behalf, just email us their name—they’ll need to show ID at pickup.
FAQ
-
Are all items in stock?
StarBuy products for sale on the website are always live and accurate. All items marked ‘In Stock’ are physically in stock with us. Items marked ‘Out of Stock’ are completely sold out. In rare instances where additional items are ordered and the items are being shipped to StarBuy, a specific note will be made on the product page.
-
How can I be sure your products are authentic?
We guarantee that all of the products we sell on StarBuy- Are brand new
- Are 100% genuine - manufactured by the named brands, in keeping with their high quality standards.
-
Is a tax invoice included with my order?
All orders have an automated invoice emailed to the email address on the order. All items listed on our website are GST inclusive. The invoice clearly shows the GST charged on the purchase as well as our name and ABN number.
-
Can an item be reserved or put on hold?
Unfortunately due to the model adopted by StarBuy, we are unable to reserve or put an item on hold. Items on sale are limited in quantity and often sell out quickly.
-
Why are StarBuy prices low?
StarBuy is a low cost discount website that buys items in bulk and offers them at the lowest possible prices. We keep our costs low by automating most back office processes to keep our prices world competitive. We ensure that you benefit by buying quality brands at low prices from StarBuy and come back to save money again and again.
Choose options





4 interest free payments of $224.75
3 months interest free payments of $299.66

