Specifications
- Reference
- GG-B100-1A
- Family
- G-Shock
- Category
- Tool
- Status
- Current
- Case material
- Resin
- Case diameter
- 51.3 mm
- Case thickness
- 19.4 mm Official
- Lug-to-lug
- 55.4 mm Official
- Lug width
- —
- Water resistance
- 200 m
- Bezel
- —
- Calibre
- Quartz · calibre not named by the brand
Official product page · retrieved October 20, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
Overhangs
Lug-to-lug 55.4 mm on a flat top of 54.1 mm: 102 % of the width.
Lug-to-lug is 1.3 mm longer than the flat top. The lugs will hang off the sides.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 19.4 mm | Official | Casio | October 20, 2026 |
Lug-to-lug
| Value | Type | Source | Date |
|---|---|---|---|
| 55.4 mm | Official | Casio The brand publishes the case length (55.4 mm x 51.3 mm, length x width); the width is the size across. | October 20, 2026 |
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
No source gave this figure yet.
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other G-Shock references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| G-Shock GA-100 GA-100-1A1 | 51.2 mm | 16.9 mm | 55 mm | — |
| G-Shock Frogman GWF-A1000 GWF-A1000-1A | 51.7 mm | 19.7 mm | 56.7 mm | — |
| G-Shock GA-010 GA-010-1A | 51.9 mm | 17.5 mm | 55.1 mm | — |
| G-Shock GD-010 GD-010-1 | 51.9 mm | 16.1 mm | 54.9 mm | — |
| G-Shock GA-1000 GA-1000-1A | 52.1 mm | 16.9 mm | 50.8 mm | — |
| G-Shock Mudmaster GWG-B1000 GWG-B1000-1A | 52.1 mm | 16.2 mm | 58.7 mm | — |
| G-Shock DW-6900 DW-6900U-1 | 50 mm | 18.7 mm | 53.2 mm | — |
| G-Shock G-7900 G-7900-1 | 50 mm | 17.7 mm | 52.4 mm | — |
| G-Shock GA-900 GA-900-1A | 49.5 mm | 16.9 mm | 52.8 mm | — |
| G-Shock GA-700 GA-700-1A | 53.4 mm | 18.4 mm | 57.5 mm | — |
| G-Shock Rangeman GW-9400 GW-9400-1 | 53.5 mm | 18.2 mm | 55.2 mm | — |
| G-Shock Mudmaster GWG-2000 GWG-2000-1A1 | 54.4 mm | 16.1 mm | 61.2 mm | — |
| G-Shock GBD-H1000 GBD-H1000BAR-4 | 55 mm | 20.4 mm | 63 mm | — |
| G-Shock GA-2000 GA-2000-2A | 47 mm | 14.1 mm | 51.2 mm | — |
| G-Shock DW-5900 DW-5900-1 | 46.8 mm | 15.5 mm | 51.4 mm | — |
| G-Shock GA-B001 GA-B001-1A | 46 mm | 13.8 mm | 42.5 mm | — |
| G-Shock GBX-100 GBX-100-1 | 46 mm | 14.7 mm | 50.9 mm | — |
| G-Shock GBD-200 GBD-200-1 | 45.9 mm | 15 mm | 48.4 mm | — |
| G-Shock GA-2100 GA-2100-1A1 | 45.4 mm | 11.8 mm | 48.5 mm | — |
| G-Shock GA-B2100 GA-B2100-1A | 45.4 mm | 11.9 mm | 48.5 mm | — |
| G-Shock DW-5600 DW-5600UE-1 | 42.8 mm | 13.4 mm | 48.9 mm | — |
| G-Shock DW-H5600 (16.6 mm high) DW-H5600EX-1 | 44.5 mm | 16.6 mm | 51.1 mm | — |
| G-Shock DW-H5600 (17.4 mm high) DW-H5600-1 | 44.5 mm | 17.4 mm | 51.1 mm | — |
| G-Shock GM-2100 GM-2100-1A | 44.4 mm | 11.8 mm | 49.3 mm | — |
| G-Shock GM-5600 GM-5600-1 | 43.2 mm | 12.9 mm | 49.6 mm | — |
| G-Shock GM-B2100 GM-B2100D-1A | 44.4 mm | 12.8 mm | 49.8 mm | — |
| G-Shock GMW-B5000 GMW-B5000D-1 | 43.2 mm | 13 mm | 49.3 mm | — |
Other Casio models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| AE-1500 (51.3 mm) AE-1500WHC-1AV | 51.3 mm | 15.8 mm | 54.4 mm | — |
| AE-1500 (51.2 mm) AE-1500WH-1AV | 51.2 mm | 15.7 mm | 54.4 mm | — |
| MWD-100H MWD-100H-1AV | 50.7 mm | 13.7 mm | 51.8 mm | — |
| DW-291H DW-291H-1AV | 50.4 mm | 13.5 mm | 50.5 mm | — |
| MRW-210H MRW-210H-3AV | 52.6 mm | 14.2 mm | 55 mm | — |
| HDC-700 HDC-700-1AV | 48.8 mm | 16.6 mm | 53.3 mm | — |
Show 42 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| AQ-S810 AQ-S810W-1AV | 48.3 mm | 13.7 mm | 52.2 mm | — |
| Duro MDV-107 MDV-107D-3AV | 46.3 mm | 12.1 mm | 49.5 mm | — |
| A100W A100WE-1A | 32.7 mm | 9.2 mm | 40.7 mm | — |
| A120W A120WE-1A | 33.5 mm | 9.4 mm | 40.7 mm | — |
| A130W A130WE-1A | 33.9 mm | 9 mm | 40.5 mm | — |
| A158W (8.2 mm high) A158WA-1 | 33.2 mm | 8.2 mm | 36.8 mm | — |
| A158W (8.5 mm high) A158WEA-1 | 33.2 mm | 8.5 mm | 36.8 mm | — |
| A159W (8.2 mm high) A159W-N1 | 33.2 mm | 8.2 mm | 36.8 mm | — |
| A159W (8.5 mm high) A159WA-N1 | 33.2 mm | 8.5 mm | 36.8 mm | — |
| A168W A168WA-1 | 36.3 mm | 9.6 mm | 38.6 mm | — |
| A171W (36.6 mm) A171WEMB-1A | 36.6 mm | 9.2 mm | 38.8 mm | — |
| A171W (37.7 mm) A171WE-1A | 37.7 mm | 9.2 mm | 38.8 mm | — |
| A178W A178WA-1A | 34 mm | 10.8 mm | 41.2 mm | — |
| A700W A700W-1A | 35.5 mm | 6 mm | 37.4 mm | — |
| ABL-100 ABL-100WE-1A | 37.9 mm | 8.2 mm | 41.6 mm | — |
| AE-1000W AE-1000W-1BV | 45 mm | 13.8 mm | 48.2 mm | — |
| AE-1200 AE-1200WH-1AV | 42.1 mm | 12.5 mm | 45 mm | — |
| AQ-230 AQ-230EL-1A | 29.8 mm | 8.1 mm | 38.8 mm | — |
| AQ-240 AQ-240E-1A | 35.8 mm | 8.1 mm | 40.9 mm | — |
| AQ-800 AQ-800E-1A | 32.1 mm | 8.7 mm | 40.7 mm | — |
| CA-500W CA-500WE-1A | 34.4 mm | 8.2 mm | 43.2 mm | — |
| CA-53W CA-53W-1 | 34.4 mm | 8.2 mm | 43.2 mm | — |
| DB-360 DB-360-1A | 37.7 mm | 10.4 mm | 43.1 mm | — |
| F-105W F-105W-1A | 35.4 mm | 9.6 mm | 39 mm | — |
| F-201W F-201WA-1A | 34 mm | 10.5 mm | 41 mm | — |
| F-91W F-91W-1 | 35.2 mm | 8.5 mm | 38.2 mm | — |
| F-91W (33.2 mm) F-91WG-9Q | 33.2 mm | 8.5 mm | 38.2 mm | — |
| F-94WA F-94WA-8 | 33.2 mm | 8.5 mm | 38.2 mm | — |
| MQ-24 MQ-24-1BL | 34.9 mm | 7.8 mm | 38.8 mm | — |
| MRW-200H MRW-200H-1BV | 44.6 mm | 11.6 mm | 47.9 mm | — |
| W-217H W-217H-1AV | 41.2 mm | 10.5 mm | 43.1 mm | — |
| W-218H W-218H-1AV | 43.2 mm | 10.8 mm | 44.4 mm | — |
| W-59 W-59-1VQ | 33.6 mm | 8.7 mm | 37.1 mm | — |
| W-800H W-800H-1AV | 36.8 mm | 13.4 mm | 44.2 mm | — |
| W-96H W-96H-1AV | 35.7 mm | 12.5 mm | 43.9 mm | — |
| WS-1600 WS-1600H-1AV | 42.1 mm | 12.5 mm | 45 mm | — |
| A1000 A1000SP-7 | 38 mm | 7.3 mm | 39.6 mm | — |
| MTP-1183 MTP-1183A-1A | 38.5 mm | 8.7 mm | 42 mm | — |
| MTP-1302 MTP-1302D-7BV | 38.5 mm | 9.2 mm | 44.2 mm | — |
| MTP-1374 (10.4 mm high) MTP-1374L-1AV | 43.5 mm | 10.4 mm | 47 mm | — |
| MTP-1374 (11.1 mm high) MTP-1374D-1AV | 43.5 mm | 11.1 mm | 47 mm | — |
| MTP-B145 MTP-B145D-3AV | 35 mm | 7.4 mm | 40 mm | — |