Casio Watch Band Compatibility Guide: G-Shock, Rangeman and More
Casio covers a wide range of watch families, from the rugged G-Shock series to the precision Edifice chronographs and the retro Classic Databank. Getting a replacement band right means matching the model family, confirming the strap width, and checking whether the attachment is standard spring-bar or the G-Shock proprietary system.
Use this guide to find your model, confirm the band width, and pick a strap that works. For material guidance, compare NATO straps, leather watch bands, stainless steel watch bands, and rubber or silicone straps.

Fast paths by strap width
Casio model compatibility table
| Model | Strap width | Model family | Recommended strap styles | Shop |
|---|---|---|---|---|
| G-Shock DW5600MW | 24mm | 5600 Square | Rubber or resin (proprietary G-Shock clip) | Shop 24mm bands |
| G-Shock GD400 | 24mm | GD Series | Rubber or resin (proprietary G-Shock clip) | Shop 24mm bands |
| G-Shock Heavy Duty GA900 | 24mm | GA Heavy Duty | Rubber or resin (proprietary G-Shock clip) | Shop 24mm bands |
| G-Shock GX56BB | 22mm | GX Heavy Duty | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock Rangeman | 22mm | Master of G - Land | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock MTG-M900DA | 22mm | MTG Metal Twisted G | Metal composite or resin (MTG proprietary) | Shop 22mm bands |
| G-Shock GD350 | 22mm | GD Series | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock GAS100 | 22mm | G-Lide / Aviation | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock GAS100B | 22mm | G-Lide / Aviation | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock Gravitymaster GRB200 | 22mm | Gravitymaster | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock GAW100B | 22mm | GA Analog-Digital | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| G-Shock DW5600BBN | 22mm | 5600 Square | Rubber or resin (proprietary G-Shock clip) | Shop 22mm bands |
| Edifice EF-527D-1AV | 22mm | Edifice Sport Chrono | Leather, stainless steel, or rubber (standard spring bar) | Shop 22mm bands |
| G-Shock GA140 | 20mm | GA Analog-Digital | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock GW6900 | 20mm | 6900 Round | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock DW6900 | 20mm | 6900 Round | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock GBA800 | 20mm | GBA Bluetooth | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock Gravitymaster | 20mm | Gravitymaster | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock Gulfmaster | 20mm | Gulfmaster (Master of G) | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| G-Shock MR-G B1000B | 20mm | MR-G Premium Metal | Metal composite or titanium (MR-G proprietary) | Shop 20mm bands |
| G-Shock GMS5600 | 20mm | G-Shock Mini (GMS) | Rubber or resin (proprietary G-Shock clip) | Shop 20mm bands |
| Wave Ceptor LCW-M170TD | 20mm | Wave Ceptor | Leather or stainless steel (standard spring bar) | Shop 20mm bands |
| Classic CA53W Databank | 20mm | Classic Databank | Resin or leather (standard spring bar) | Shop 20mm bands |
| G-Shock GA100 | 18mm | GA Analog-Digital | Rubber or resin (proprietary G-Shock clip) | Shop 18mm bands |
| G-Shock AWGM100B | 16mm | AW Analog-Digital | Rubber or resin (proprietary G-Shock clip) | Shop 16mm bands |
Best strap styles by Casio family
- G-Shock 5600 Square: Rubber or resin replacement bands designed for the 5600 housing. Aftermarket third-party options with the correct proprietary end-links are widely available.
- G-Shock 6900 Round: Rubber or resin bands matched to the 6900 series. Confirm the end-link style matches the DW or GW variant.
- G-Shock GA Analog-Digital: Rubber or resin bands in the matching width. GA100 uses 18mm, GA140 and most larger GA references use 20mm, GAW100B and GAS100 use 22mm.
- G-Shock Master of G (Rangeman, Gravitymaster, Gulfmaster): Rubber or resin bands. These models have reinforced attachment points; look for bands rated for heavy-duty use.
- G-Shock Heavy Duty / GD / GX Series: Thick rubber or resin bands in 22mm or 24mm depending on the reference. The GX56 and GD400 carry larger 24mm-width housings.
- G-Shock MTG and MR-G: Premium composite or titanium bands sold by Casio directly. Aftermarket options exist but these are high-end references; stick to manufacturer or specialist listings.
- Edifice: Standard spring-bar attachment. Leather, stainless steel, or rubber at 22mm all fit cleanly.
- Wave Ceptor and Classic Databank: Standard spring-bar attachment. Leather at 20mm is the common choice; resin is also available.
How to choose the right Casio watch band
Start by identifying the exact model number, usually printed on the case back. Confirm whether the watch uses standard spring bars or the G-Shock proprietary slide-and-click system. For G-Shock models, search for aftermarket bands listed as compatible with your specific G-Shock series or reference number. For Edifice, Wave Ceptor, and Classic Databank models, any quality strap in the correct width will fit. Choose rubber or resin for active use and water resistance, leather for a dress or vintage look, and stainless steel for a bracelet feel on Edifice references.

FAQ: Casio and G-Shock watch band sizing
Can I use a standard watch strap on a G-Shock?
Most G-Shock models do not use standard spring-bar lugs. They use a proprietary slide-and-click system. Replacement bands must be designed for the specific G-Shock model or model family. Some aftermarket suppliers make G-Shock-compatible bands in standard strap widths using the correct end-link format.
What size band does a Casio G-Shock DW5600 take?
The DW5600BBN uses a 22mm band width. The DW5600MW uses a 24mm band width. Both use proprietary G-Shock attachment, so confirm the replacement band is listed as compatible with the DW5600 housing.
What lug width does the Casio G-Shock GA100 use?
The GA100 uses an 18mm band width. Replacement bands must be designed for the GA100 proprietary attachment system.
Do Casio Edifice watches use standard watch straps?
Yes. Casio Edifice models like the EF-527D use standard spring-bar attachment. The EF-527D takes a 22mm strap. Any quality 22mm leather, rubber, or stainless steel band fits.
What is the difference between a G-Shock MTG and MR-G band?
MTG and MR-G are premium G-Shock lines with metal or metal-composite cases and bands. Their band attachment is proprietary and specific to each line. Replacement bands are typically available from Casio directly or specialist G-Shock retailers. Standard aftermarket straps do not fit these references.
How do I measure the strap width on a Casio watch?
For Casio non-G-Shock models, measure the inside distance between the lugs in millimeters with a ruler or caliper. For G-Shock models, check the model number against the table above or look up the Casio parts list for your exact reference, since G-Shock band widths vary by model family and case generation.