-
Your shopping cart is empty!
Casio G-Shock G-SQUAD GBD-800UC-3ER Bluetooth Step Tracker Utility Green Watch
- Brand: Casio
- Product Code: GBD-800UC-3ER
- Availability: In Stock
£99.95
Free UK Delivery
Full Minimum 12-Month Guarantee
30-Day Hassle-Free Returns
Certified & Hallmarked
Established Jeweller
Casio G-Shock G-SQUAD GBD-800UC-3ER Bluetooth Step Tracker Utility Green Watch
The acquisition of an athletic utility watch necessitates a precise understanding of its electronic and structural architecture. The Casio G-Shock G-SQUAD GBD-800UC-3ER relies on Module 3464, combining a physical shock-absorbent resin housing with step tracking telemetry and automated smartphone synchronization to deliver reliable tracking performance for users in Devon and beyond.
Module Type
3464
Casio Digital IC
Sensor Array
3-Axis
Accelerometer Logic
Water Rating
20 Bar
200-Metre Static Sealing
Connectivity
Bluetooth
Smartphone Link Protocol
Chassis Finish
Matte Olive
Utility Green Resin
Technical 7-Table Framework for Digital Timepieces
1. Electronic Componentry & Module Configuration
| Component | Technical Specification | Functional Purpose | Status |
|---|---|---|---|
| Integrated Circuit | Casio Module 3464 | Coordinates timing, sensor data processing, and wireless radio functions | Verified |
| Wireless Protocol | Bluetooth Low Energy (BLE) | Facilitates automatic time calibration and activity log data transfers | Confirmed |
| Telemetry Sensor | 3-Axis Accelerometer | Registers real-time physical displacement to record daily step logs | Calibrated |
Table 1 Analysis: The foundational architecture of the GBD-800UC-3ER relies on Module 3464. This digital chip regulates power consumption during data synchronization, utilizing low-energy transmission protocols to maintain operational power from a single coin-cell battery source.
2. Dimensional & Case Profile Engineering
| Measurement Parameter | Value | Tolerance Range | Ergonomic Profile |
|---|---|---|---|
| Case Height (Lug-to-Lug) | 54.1mm | +/- 0.1mm | Provides secure, vertical anchoring on standard wrists |
| Case Width | 48.6mm | Uniform Edge-to-Edge | Ensures digital display segments remain clearly visible |
| Case Thickness | 15.5mm | Consistent Profile | Houses internal shock-absorbing bumpers and protection layers |
Table 2 Analysis: The physical dimensions of this timepiece measure 54.1mm by 48.6mm, with a thickness of 15.5mm. Totaling a weight of 59 grams, this specific mass ratio prevents excessive wrist fatigue during active motion while providing the structural clearance needed for mechanical shock resistance.
3. Materials Science & Structural Architecture
| Component Part | Base Material | Hardness / Density Grade | Environmental Defenses |
|---|---|---|---|
| Outer Bezel & Strap | High-Grade Synthetic Resin | Flexible Polymer Base | Resists impact forces, perspiration, and UV exposure |
| Display Crystal | Hardened Mineral Glass | High Fracture Resistance | Protects internal LCD panel from localized direct pressure |
| Rear Access Plate | 316L Stainless Steel | Corrosion-Resistant Grade | Forms a secure structural backing secured by a 4-screw array |
Table 3 Analysis: The combination of an elastic resin frame and a solid steel case back serves as the watch's primary defense line. The mineral glass screen resists impacts without shattering, protecting the underlying liquid crystal display elements from damage.
4. Environmental Sealing & Hydrostatic Resilience
| Protection Parameter | Standard Rating | Testing Method | Permitted Operational Use |
|---|---|---|---|
| Hydrostatic Integrity | 20 Bar / 200 Metres | ISO 22810 Compliance | Surface swimming, maritime activities, and skin diving |
| Gasket Interface | Nitril-Rubber O-Ring | Compression Air Audit | Prevents ambient moisture and particulate entry into module |
Table 4 Analysis: Engineered to meet a 20-bar rating, the casing is sealed against static liquid pressures. This moisture barrier is maintained by a specialized rubber gasket surrounding the case back, ensuring protection during active water exposure, similar to watches found in our Casio catalogue.
5. Operational Energy & Battery Management
| Power Source | Cell Designation | Estimated Lifespan | Power Conservation Features |
|---|---|---|---|
| Lithium Coin Battery | CR2025 | Approximately 3 Years | Disconnects Bluetooth linkages when communication is idle |
Table 5 Analysis: Power distribution is drawn from a single CR2025 lithium battery cell, calculated to deliver continuous service for up to three years under normal operating conditions. Battery life depends directly on the frequency of the LED illumination and the use of the step sensor.
6. Timing Calibration & Synchronization Systems
| Calibration Method | Base Accuracy Rating | Automated Adjustment Interval | Reference Source |
|---|---|---|---|
| Standalone Quartz | +/- 15 Seconds per Month | Continuous operation | Internal 32,768 Hz Crystal Oscillator |
| Smartphone Sync Link | Atomic Precision Reference | Up to 4 times per calendar day | Internet Time Servers via Mobile App Link |
Table 6 Analysis: In standalone mode, the internal quartz crystal maintains accurate timing within a standard deviation of 15 seconds per month. When paired with a smartphone, the system recalibrates its display four times daily, ensuring precise local time synchronization.
7. Core Feature Comparison: G-SQUAD vs Mass-Market Sport Watches
| Performance Indicator | G-SQUAD GBD-800UC Specimen | Standard Mass-Market Trackers |
|---|---|---|
| Shock Dispersal | Hollow case structure with omnidirectional defense points | Rigid outer frames vulnerable to direct component shocks |
| Waterproof Rating | 200-Metre rated case sealing | Light moisture resistance, vulnerable to water pressure |
| Operational Maintenance | Requires no daily recharges; standard 3-year cell replacement | Requires regular recharges via plug-in power cords |
Table 7 Analysis: This timepiece offers distinct advantages over standard smart trackers by eliminating the need for daily recharging. It provides a durable training option with a 200m water resistance rating and professional shock protection, comparable to the utility standards across our curated second-hand silver bracelets collection.
Official Factory Operation Guide Reference
Figure 1.0: Casio GBD-800UC-3ER Operation Guide.
View Official Factory Manual (PDF)
20 Technical FAQs: Engineering & Asset Management
Module 3464 & Sensor Telemetry
1. How does the 3-axis accelerometer sensor record accurate step tallies?
The internal 3-axis accelerometer tracks continuous movement along the X, Y, and Z planes. When body motion occurs, the sensor detects acceleration forces and converts them into digital signals. Module 3464 applies filtering algorithms to verify these signals against typical human pacing patterns, ensuring it ignores non-walking movements such as driving or stationary arm shaking.
2. Can the step sensor operate independently from a live smartphone connection?
Yes, the step sensor operates independently. The watch continuously tallies your daily step count using its own memory. The collected active dataset is stored within the module's non-volatile storage area. It automatically updates when the watch reconnects to your mobile phone app via Bluetooth, syncing the files seamlessly.
3. What parameters govern the target step goal alert indicators?
Target goals can be programmed within a range of 1,000 to 50,000 steps using the companion app interface. When active, the LCD screen display shows progress metrics visually using a circular tracking arc. If your step rates fall behind the pre-set threshold targets, an audible electronic indicator pattern can sound to alert you.
4. What is the standard operational accuracy when Bluetooth is disabled?
If operated without any smartphone connection, the watch relies entirely on its internal quartz crystal oscillator, which vibrates at 32,768 Hz. The module maintains standalone timekeeping precision within a margin of plus or minus 15 seconds per month, providing reliable accuracy even when disconnected from digital networks.
Bluetooth Connectivity & Software Interface
5. How frequently does the automated smartphone synchronization protocol trigger?
When paired with a mobile phone, the watch establishes automatic connections four times daily at pre-set intervals. The watch activates its built-in radio antenna, downloads updated local time data, corrects for regional time zone shifts or daylight saving changes, updates the step count logs, and then disconnects to conserve battery life.
6. What practical operating distance applies to the manual Phone Finder link?
The integrated Phone Finder system operates via a Bluetooth connection with an effective line-of-sight range of up to approximately 10 metres. Pressing and holding the designated lower right button sends a signal that triggers an audible tone on the paired smartphone, helping you locate it even if the phone is set to silent mode.
7. Which mobile operating system platforms are compatible with this software app?
Module 3464 connects with mobile devices using current versions of Apple iOS and Google Android. The companion app handles advanced feature configurations, allowing you to quickly program multi-interval timers and review historical step graphs without using the watch's physical side buttons.
8. Does the watch receive text message notifications or incoming call text readouts?
No, the GBD-800UC-3ER does not feature incoming message text previews or call alert readouts. Its Bluetooth systems are dedicated exclusively to fitness telemetry tracking, interval timer management, and time synchronization, focusing processing power on long-term battery efficiency rather than smart notification alerts.
Chassis Architecture & Environmental Resilience
9. What specific structural design element gives this watch its shock-resistant performance?
The watch uses an omnidirectional protective structure that isolates the digital movement module inside a hollow resin outer ring. This design suspends the internal electronics, allowing the external case bumpers to absorb direct impacts and fall forces from any angle without transmitting shock to the delicate quartz components.
10. What are the practical performance limits of the 20-bar water resistance rating?
A 20-bar water resistance rating indicates the watch case can withstand static pressure equivalent to a 200-metre water column. In real-world conditions, this allows the watch to be safely worn during high-impact water sports, surface swimming, surfing, marine activities, and skin diving, but it is not intended for professional deep-sea scuba diving operations.
11. How does the choice of case materials protect the watch face from scratches and damage?
The display face is protected by an elevated outer resin bezel ring that sits higher than the mineral glass surface. This raised border acts as a protective shield, absorbing flat surface impacts and preventing the crystal screen from contacting abrasive objects or rubbing against hard ground materials.
12. What temperature extremes can the digital display and internal module safely withstand?
The watch's electronic components are rated to function reliably across an ambient temperature range from -10°C up to 60°C. In extreme sub-zero conditions, response times on the liquid crystal display segments may slow down temporarily, but the watch recovers its standard performance once temperatures return to normal ranges.
Chronograph Operations & Interval Timers
13. How many distinct segments can be configured within the multi-interval training timer?
The interval timer allows you to program up to five distinct, independent duration segments that can be set from 1 second up to 60 minutes each. This feature can be set to repeat automatically for up to 20 continuous cycles, making it a valuable tool for tracking structured fitness routines or high-intensity interval training laps.
14. What maximum recording capacity governs the stopwatch split-lap memory data banking?
The internal memory bank can store up to 200 distinct lap or split-time records. Each entry saves the elapsed lap time along with the exact calendar month, day, and hour information, allowing for accurate tracking and later analysis through the smartphone app interface.
15. How many independent daily alarm settings can be activated simultaneously?
The module supports up to five independent daily alarms, each producing an acoustic tone pattern for 10 seconds when target times are reached. One alarm setting can be customized with an optional hourly chime signal, providing regular audio markers throughout the day.
16. How does the integrated multi-segment countdown timer function during workouts?
The countdown timer provides audible alert signals as each pre-set segment ends, automatically transitioning to the next programmed time interval. This automated cycle tracking allows you to manage training and rest periods efficiently without needing to manually restart the watch during a workout.
Maintenance, Aftercare & Operational Longevity
17. What cleaning procedures are recommended to preserve the matte olive resin finish?
To clean the resin casing, wipe down the strap surfaces regularly with a soft cloth dampened in mild, soapy water. This removes built-up skin oils, dried sweat, and fine dust. Avoid applying volatile chemical solvents, spray cleaners, or oil-based polishes, as these compounds can degrade the matte finish over time.
18. What steps are required to maintain water resistance during battery changes?
When replacing the CR2025 lithium battery cell, the rear rubber sealing gasket should be inspected for signs of wear and lubricated with silicone grease. If the gasket appears worn or flattened, a new seal must be installed and pressure-tested to confirm the case maintains its 20-bar water resistance rating before use.
19. Can worn or damaged resin strap components be replaced over time?
Yes, the resin strap is a modular component designed for easy replacement if worn or damaged. Replacement bands can be ordered and fitted to the watch case lugs, allowing you to restore the watch's appearance and secure fit without needing to replace the main digital module housing.
20. Why is this watch referred to purely by its 925 designation or model names without any hallmark references?
This watch is an electronic timepiece constructed from durable resin polymers and stainless steel, meaning it does not feature precious metals like sterling silver. At H.E. Phillips Ltd, we maintain clear product descriptions, applying precise definitions across all items, from resin tool watches to our verified new silver bracelets, ensuring customers receive accurate specification details without misleading terminology.
© 2026 H.E. Phillips Ltd - Your Official Authorised Fine Jewellery Specialist. All Technical Data verified for accuracy.
Related Products
Casio F-91W-1YER Classic Retro 7-Year Battery Digital Watch (Yellow Accents)
- Casio F-91W-1YER Classic Retro 7-Year Battery Digital Watch Yellow Accents | Technical Analysis | H...
Casio G-Shock DW-6900UB-9ER Retro Yellow Triple Graph Digital Watch
- Casio G-Shock DW-6900UB-9ER Retro Yellow Triple Graph Digital Watch | Technical Analysis | H.E. Phil..
Casio F-108WH-2AEF Retro Navy Blue 7-Year Battery Digital Sport Watch
- Casio F-108WH-2AEF Retro Navy Blue 7-Year Battery Digital Sport Watch | Technical Analysis | H.E. Ph..
Casio Baby-G BG-169PB-2ER Pastel Blue Beach Colors 200m Water Resistant Watch
- Casio Baby-G BG-169PB-2ER Pastel Blue Beach Colors 200m Water Resistant Watch | Technical Analysis |..
Casio Vintage LA670WEA-7EF Mini Silver Digital Watch with Countdown Timer
- Casio Vintage LA670WEA-7EF Mini Silver Digital Watch with Countdown Timer | Technical Analysis | H.E..
Casio W-735H-1AVEF Vibration Alarm 10-Year Battery 100m Sport Watch
- Casio W-735H-1AVEF Vibration Alarm 10-Year Battery 100m Sport Watch | Technical Analysis | H.E. Phil..
Casio G-Shock DW-6900RL-1ER "Red Eye" Stealth Black Triple Graph Watch
- Casio G-Shock DW-6900RL-1ER Red Eye Stealth Black Triple Graph Watch | Technical Analysis | H.E. Phi..
Limited Edition G-SHOCK DW-6900TR-9ER 30th Anniversary Yellow Watch
- The Casio G-Shock DW-6900TR-9ER is a special edition digital watch released as part of th..
Casio Watch DW-5600UBB-1ER
- Casio G-Shock DW-5600UBB-1ER All-Black Classic Digital Watch | Technical Analysis | H.E. Phillips Lt..
Casio G-Shock GA-100CY-1AER Caution Yellow Series Analog-Digital Watch
- Casio G-Shock GA-100CY-1AER Caution Yellow Series Analog-Digital Watch | Technical Analysis | H.E. P..
Casio LQ-24B-3BEF Pastel Sage Green Minimalist Ultra-Slim Analog Watch
- Casio LQ-24B-3BEF Pastel Sage Green Minimalist Ultra-Slim Analog Watch | Technical Analysis | H.E. P..
Casio F-91WC-4A2EF Retro Orange 7-Year Battery Digital Watch
- Casio F-91WC-4A2EF Retro Orange 7-Year Battery Digital Watch | Technical Analysis | H.E. Phillips Lt..
Casio MQ-24B-3BEF Pastel Sage Green Unisex Minimalist Analog Watch
- Casio MQ-24B-3BEF Pastel Sage Green Unisex Minimalist Analog Watch | Technical Analysis | H.E. Phill..