CASIO
CASIO G-Shock GM-2100B-3A 200M watch
A 200 m water-resistant analog-digital diver's watch with a green dial and resin case
- StyleDiver's
- MaterialResin
- MovementQuartz
- ShapeRound
- Dial ColorGreen
- Dial MarkersIndex
- 200 m water resistance for serious diving
- Green dial with analog and digital display for clear reading
- Quartz calibre 5611 movement for reliable timekeeping
- 00 mm resin case and strap for lightweight durability
- Fixed bezel and mineral crystal protect the watch face
Product identity
The Casio G-Shock GM-2100B-3A is a 200 m water-resistant analogue-digital watch with a green dial and resin case. It suits divers and everyday wearers who want a tough quartz timepiece with day and date display. The 5611 calibre drives both the hands and the digital readout.
Setup check
Verify that the 42.00 mm case thickness fits your wrist and that the fixed bezel matches your timing needs. The buckle clasp secures the resin strap without tools, so no extra links or pins are required. Confirm the mineral crystal meets your scratch-resistance expectations.
Sustained load behaviour
Quartz movement maintains steady accuracy during long dives or extended daily wear without the drift seen in mechanical movements. Resin construction resists salt water and UV exposure over months of continuous use. The 200 m rating holds under constant pressure rather than only brief immersion.
Highlights
- 200 m water resistance for serious diving
- Green dial with analog and digital display for clear reading
- Quartz calibre 5611 movement for reliable timekeeping
- 00 mm resin case and strap for lightweight durability
- Fixed bezel and mineral crystal protect the watch face
Specifications
| Brand | CASIO |
|---|---|
| Style | Diver's |
| Material | Resin |
| Movement | Quartz |
| Shape | Round |
| Dial Color | Green |
| Dial Markers | Index |
| Display | Analog and Digital |
| Date | Date |
| Band Material | Resin |
| Fastener | Buckle Clasp |
| Gender | Male |
| Condition | New |
| Bezel | Fixed Bezel |
| Case Material | Resin |
| Case Thickness | 42.00 mm |
| Crystal | Mineral Crystal |
| Water-Resistant | 200m |
| Special Features | Mineral Crystal,Buckle Clasp,Day and Date Display |
Questions about this item
Does the GM-2100B-3A come with anything besides the watch itself?
The watch is supplied as a complete unit with its resin case, resin strap and fitted buckle clasp already attached.
How do I choose between the green dial and other colourways for this model?
This specific reference has a green dial with index markers and an analog-digital display; other colours carry different reference numbers.
What does the 200 m water-resistance rating mean for daily wear?
It is rated for 200 metres, making it suitable for swimming, snorkelling and recreational diving, but not for saturation or deep-sea diving.
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