The Casio G-Shock MR-G Goliath Frogman MRGBF1000RG3 is a titanium-cased, solar-powered dive watch with an ISO 200-meter water-resistance rating, dive-time measurement, surface-interval display and dive logs, according to Casio. Its khaki fluoro-rubber band and orange accents distinguish this Goliath frog-inspired version. Casio’s U.S. lineup uses MRGBF1000RG3 for the variant; regional reference formats differ. This is a specification-led overview, not a firsthand wear or dive test.
What is the MRGBF1000RG3?
Casio identifies MRGBF1000RG3 as the U.S. lineup reference for the MRG-BF1000RG, a Goliath Frogman colorway in the MR-G Frogman family. The Indonesian regional listing uses MRG-BF1000RG-3A, so confirm the market-specific reference when comparing listings or seeking parts. Casio’s U.S. product page and regional Indonesian product page show those formats.
Casio traces Frogman to 1993, describing it as the first G-SHOCK diver’s watch. The MR-G interpretation pairs the line’s identity with a titanium case and rubber strap, according to Casio’s MR-G Frogman series page.
Is the Goliath Frogman a titanium watch?
Casio describes the MRG-BF1000RG as having a titanium exterior and a Dura Soft band made from fluoro rubber. It also specifies a titanium screw-lock case back and a sapphire crystal with anti-reflective coating. These are manufacturer specifications; they do not establish independent material testing or how the watch feels on a particular wrist. Casio’s product description
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →#1 Best Overall
- PREMIUM CONSTRUCTION: Full-metal titanium case and band with DLC coating and deep-layer hardening, featuring over 70 meticulously crafted exterior components for ultimate durability
- DIVING CAPABILITIES: ISO 200-meter water resistance with screw-lock case back, one-touch adjustable band to fit over wetsuits, and specialized diving mode display
- SMART FEATURES: Bluetooth connectivity for smartphone pairing, allowing access to tide data for 3000+ locations and detailed dive log tracking through dedicated app
- ADVANCED TIMEKEEPING: Multi-band 6 radio control and Tough Solar power system ensure accurate, maintenance-free operation with automatic time adjustment
- SPECIFICATIONS: Case dimensions 56 × 49.7 × 18.6mm, weighs 170g, shock-resistant and magnetic-resistant construction with sapphire crystal protection
The case is assembled from multiple exterior components. Casio says the construction uses “over 70 exterior components,” a manufacturer-stated figure rather than an independently verified count. The page also identifies a screw-lock crown and screw-lock case back as parts of its water-resistant construction. Casio’s product page
The Goliath frog is the inspiration for the khaki band, while orange accents appear on the seconds and indicator hands. That combination gives this version a more distinctive look than a conventional all-black dive watch, though color preference is personal.
Rank #2
- The product video shows "fluorine elastomer band", but this product is a composite band (resin x fine resin with metal parts embedded). It also features a double locking one-push tri-fold clasp with an extension mechanism that allows you to easily adjust the band when wearing a wetsuit
- G-SHOCK "Frogman" series analog display model with ISO standard 200 m submersible waterproofing to support underwater missions
- Dive mode / Tide graph mode to support diving activities: Dive mode to show diving time and surface rest time. Tide graph mode displays tide information anywhere and current time in that city. Analog display of useful functions for diving activities
- Bluetooth Radio Solar: Support Bluetooth, standard radio wave time correction. Equipped with tough solar, it is stable to drive various functions
- Smartphone Link: Dedicated app allows you to easily set tide data around 3000 locations around the world in the app. You can also check the dive logs on your smartphone and enjoy the data measured on the watch side
What are its dive functions?
Casio lists ISO 200-meter water resistance, dive-time measurement, surface-interval display and diving logs. Dive mode and tide-graph mode use a full-analog display, according to the manufacturer. These listed functions do not, by themselves, establish the watch’s measurement accuracy or suitability for a particular dive plan. Casio’s U.S. specifications
The CASIO WATCHES app’s feature list includes dive-log timelines with a dive date, time, dive count, location and images. Treat this as a described app feature rather than a guarantee about how well it fits an individual diver’s logging workflow. Casio’s product page
Do these 3 things before closing this tab:
1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesRank #3
- ISO 200 Meters Water Resistant
- Multi-Band 6 Atomic Timekeeping
- Bluetooth smartphone link
- Tough Solar Power
- Japan Imported/ Comes with Casio's one year international warranty if it is purchased from Shaun's Watch Store.
How does it handle timekeeping and connectivity?
The watch is solar-powered and combines Bluetooth smartphone linking with Multiband 6 radio-controlled timekeeping. Casio lists automatic time adjustment, easy watch setting, world time for about 300 cities, tide-point settings, watch-status display, self-check and phone finder through the CASIO WATCHES app. Casio’s listed functions
Additional functions include dual time, a stopwatch, countdown timer, alarm, Super Illuminator LED and date/day display. The feature set makes it more than a dedicated dive timer, but the supplied specifications do not establish real-world battery behavior, radio reception in a specific location or app reliability.
Rank #4
- 30th Anniversary Model / Love The Sea Earth
- Shock resistant
- Easy to see in darkness
- Stable solar power
- ISO 200 meter water resistant
Is the MRGBF1000RG3 worth it?
It is most compelling for someone who wants an MR-G Frogman in titanium with a distinctive khaki-and-orange design and values analog dive timing, a surface-interval display, tide information and app-linked logs. Its solar power and combination of Bluetooth and Multiband 6 also broaden its everyday timekeeping features.
Whether it is worth buying depends on fit, budget and priorities. The manufacturer’s specifications cannot answer whether its size, band feel or interface will suit you, and there is no independent wear or dive assessment established here. Casio’s series page also lists the titanium-band MRG-BF1000B and the MRG-BF1000R, but current price and stock comparisons are not established. Casio’s MR-G Frogman lineup
Best Value
- Triple Sensor (compass, altimeter/barometer, and thermometer)
- Solar Powered
- Radio- Controlled
- Bluetooth Mobile Link
- Double LED
No current local price, inventory, seller identity or replacement-band SKU is established. Check the exact regional reference and seller details before purchasing, particularly if a listing uses a different reference format.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
