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The Casio G-Shock GM-2110D-2B is an analog-digital combination timepiece, part of the G-STEEL series. It features a robust octagonal stainless-steel bezel and a durable metal band, offering a sophisticated yet tough aesthetic. The watch case is constructed from high-rigidity glass-fiber-reinforced fine resin, making it one of the slimmest G-SHOCK combination models at just 11.8 mm. This model is designed for versatility, suitable for both professional and casual environments.

Figura 1: Frontal view of the Casio G-Shock GM-2110D-2B watch, showcasing és octagonal bezel, navy blue dial, and stainless steel band.
Característiques clau
- Resistent a cops: Engineered to withstand impacts and vibrations, ensuring durability in various conditions.
- Resistència a l'aigua de 200 metres: Suitable for swimming, snorkeling, and diving without scuba gear.
- Corretja d'acer inoxidable: Provides a secure and comfortable fit with a one-touch 3-fold clasp.
- Neobrite Luminous Hands: Permet una lectura fàcil en condicions de poca llum.
- Hora mundial: Mostra l'hora actual a les principals ciutats i zones específiques del món.
- 5 alarmes diàries: Configura fins a cinc alarmes diàries independents.
- Cronòmetre: 1/100-second stopwatch with measuring modes.
- Temporitzador de compte enrere: For precise timing of events.
- Full Auto-Calendar (to year 2099): S'ajusta automàticament per a diferents durades de mesos i anys de traspàs.
- Llum LED doble: High-brightness illumination for both the analog and digital displays.
Configuració i configuració inicial
1. Time Zone and Date Setting
- En el mode de mesura del temps, premeu i manteniu premut el botó AJUSTAR button (top left) until the city code starts to flash.
- Utilitza el MODE button (bottom left) to cycle through settings: City Code, DST (Daylight Saving Time), 12/24-hour format, Seconds, Hour, Minute, Year, Month, Day.
- Utilitza el COMENÇA button (bottom right) and LLUM button (top right) to change the flashing value.
- Once all settings are configured, press the AJUSTAR botó per sortir del mode de configuració.
2. Analog Hand Adjustment
If the analog hands do not match the digital time, they may need alignment. Refer to the detailed manual for specific steps, usually involving a dedicated hand alignment mode accessed by holding a combination of buttons.
3. Ajust de la corretja
The stainless steel band may require adjustment for a comfortable fit. This typically involves removing or adding links. It is recommended to have this procedure performed by a professional jeweler or watch repair service, as it may require specialized tools for the inner link pins. Improper adjustment can damage the band.

Figura 2: Pro lateralfile of the watch, illustrating its slim design and the placement of control buttons.
Modes i funcions de funcionament
The watch features multiple modes accessible via the MODE button (bottom left).
- Mode d'indicació de l'hora: Displays current time, day, and date. This is the default mode.
- Mode hora mundial: Shows the current time in 48 cities (31 time zones). Use the COMENÇA button to cycle through city codes.
- Mode d'alarma: Set and activate up to 5 daily alarms and an hourlsenyal horari y. Utilitzeu COMENÇA to select alarm number, AJUSTAR to enter setting, and COMENÇA/LLUM per canviar els valors.
- Mode de cronòmetre: Measures elapsed time, split times, and two finishes. Press COMENÇA començar/aturar, AJUSTAR for split/reset.
- Mode de temporitzador de compte enrere: Functions as a countdown timer. Set the start time using AJUSTAR i COMENÇA/LLUM. Premeu COMENÇA començar/aturar.
Il·luminació
Premeu el botó LLUM button (top right) to illuminate the display. The watch features a double LED light for both the analog and digital sections.
Manteniment i cura
Resistència a l'aigua
The watch is rated for 200-meter water resistance. This means it is suitable for recreational scuba diving. However, avoid operating buttons while the watch is submerged in water to prevent water ingress.
Neteja
Wipe the watch regularly with a soft, dry cloth to remove dirt and moisture. For the stainless steel band, a soft brush and mild soapy water can be used, followed by thorough rinsing and drying. Avoid using chemical cleaners or solvents.
Canvi de bateria
The watch uses 2 LR44 batteries. When the display becomes dim or functions become erratic, it may be time for battery replacement. It is highly recommended to have battery replacement performed by an authorized Casio service center or a qualified watch technician to ensure proper sealing and maintain water resistance.

Figura 3: posterior view of the watch, highlighting the durable case back and water resistance rating.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Les agulles analògiques no coincideixen amb l'hora digital. | Les mans estan desalineades. | Perform analog hand home position correction. Refer to the detailed manual for specific steps. |
| La pantalla digital està tènue o en blanc. | Potència de bateria baixa. | Replace batteries. It is recommended to have this done by a professional. |
| Watch band is too large/small. | Incorrect band size. | Adjust band links. Professional assistance is recommended due to specialized inner link pins. |
| Watch not responding to button presses. | Temporary malfunction or low battery. | Try pressing all buttons firmly. If issue persists, consider battery replacement or professional inspection. |
Especificacions
| Característica | Detall |
|---|---|
| Número de model | GM-2110D-2B |
| Case Size (H x W x D) | 49.3 x 44.4 x 11.8 mm |
| Pes | Aproximadament 10.86 unces (308 grams) |
| Material de la caixa/bisel | Resin / Stainless Steel |
| Material de la banda | Acer inoxidable |
| Tipus de tancament | One-touch 3-fold Clasp |
| Resistència a l'aigua | 200 metres (20 BAR) |
| Font d'alimentació | 2 x LR44 batteries (included) |
| Il·luminació | Llum LED doble (Super Illuminador) |
| Calendari | Calendari automàtic complet (fins a l'any 2099) |

Figure 4: General Men's Watches Size Guide for reference on wrist fit.
Garantia i Suport
For warranty information, service, or technical support regarding your Casio G-Shock GM-2110D-2B watch, please refer to the warranty card included with your purchase or visit the official Casio website. Casio provides customer support and authorized service centers for repairs and genuine part replacements.
Casio oficial Weblloc: www.casio.com





