The Frogman 30th Anniversary, Master of G-Sea Collection, 52 mm, Red Resin Strap, Solar, Black Dial Watch

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Introducing the Casio Master of G Frogman, Titanium and Bio-based Resin Diving Watch, a marvel of modern engineering and sustainability. This timepiece boasts a sturdy titanium and bio-based resin construction, making it shock-resistant and able to withstand depths of up to 200 meters, perfect for diving enthusiasts. With Tough Solar technology, it harnesses the power of the sun for continuous and reliable operation.

The watch's multifunctional features are designed to accompany you on your diving adventures. It includes a dive time and surface interval measurement function, allowing you to precisely track your underwater excursions. You can record up to ten sets of data, including dive start date and time, and dive time. Stay connected with the world thanks to its world time function, providing information on 31 time zones, moon data, and even tide graphs to enhance your diving experience.

A 1/100-second stopwatch, countdown timer, and five daily alarms ensure you're well-equipped for your adventures. The LED backlight with Super Illuminator technology guarantees visibility in any lighting conditions. With a full auto-calendar, mute feature, and power-saving capabilities, this watch is as efficient as it is eco-friendly. The battery power indicator keeps you informed, and it can operate for up to 36 months on a fully charged battery. Embrace the future of diving with the Casio Titanium and Bio-based Resin Diving Watch, where innovation meets sustainability.

Model Ref. GW-8230NT-4ER.
Brand Casio
Case Material Titanium
Colour of Dial Red
Glass Material Sapphire Crystal
Movement Solar
Type of Bracelet Plastic
Gender Gents
Brand Casio

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Availability of stock on the website may vary and might not be accessible in certain physical store locations. However, we would be delighted to arrange for the stock to be sent to your preferred location. If you're interested in viewing products in stock at our Dundrum location, please contact us at and we'll be happy to assist you with this.

Branded Jewellery & Watches come presented in official brand packaging unless otherwise stated.

Weir Collection items come presented in Weir & Sons packaging. 

Areas of Delivery

Purchases made via Weir & Sons website will ship to Europe, UK, Canada and United States, please check here the countries where shipping is available. Unfortunately, we cannot ship to P.O. Boxes or APO addresses. TUDOR watches purchased via our website may only be shipped within the Republic of Ireland.

Delivery Times & Fees

We endeavour to dispatch all orders within three working days. Complimentary shipping within Ireland is available on orders over €50 and international free shipping is available on orders of €100 or more, delivery fees will be added according to the area of delivery, as described below: 

Area Order Amount     Delivery estimate time Delivery Fee
Ireland Under € 50 3 -5 working Days € 7.50
United Kingdom Under € 100 7 -10 working Days € 10.00
Europe Under € 100 7 -10 working Days € 16.00
Canada & USA Under € 100 +14 working Days € 20.00
Rest of World Under € 100 +14 working Days € 25.00

Click & Collect

Please allow 2-4 working days for collection. If you want to collect your order in store you must provide an order confirmation e-mail and an. Official photo identification (ID card or passport).

All Orders are processed Mon-Fri (excluding holidays). You will receive an email confirming that your order has been shipped along with the tracking link. Engraving delivery times, please allow an additional 3 working days (in addition to the standard delivery and collection timeframe) for your engraved order to be completed. If our order is delayed or there are any discrepancies between what you ordered and what you received, we kindly ask you to contact us immediately via e-mail or phone. Weir & Sons undertakes to return any incorrect or non-compliant products in accordance with our exchange and returns policy and current legislation.


Applicable sales tax will be added for deliveries within the following conditions:

Customers in the EU with shipping addresses inside the EU will pay VAT at the point of purchase (this is included in all listed prices online) and will not be subject to import duties upon delivery of orders.
Customer outside the EU:  with shipping addresses outside the EU will not pay VAT at the point of purchase online. All prices listed online are inclusive of VAT - this will automatically deduct at the checkout (Tax Free shopping). They may be liable for import taxes and duties. This is beyond Weir & Son's control and duties vary from one country to the next. We suggest you contact your local customs office as they can better advise on potential charges that may be incurred. You will not be charged Tax when shopping online with us.

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