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Casio Full Metal 5000 Series 43.6mm Mens Watch Silver
Ref. 17051077
The GMW-BZ5000 takes the square G-Shock silhouette that dates to 1983 and builds it entirely in steel — then advances it further with a Memory-in-Pixel LCD that renders sharply in direct sunlight where older segments wash out. The case architecture has been redesigned from the GMW-B5000 it succeeds: the bezel and centre case are now separate interlocking sections held by visible front screws, with a resin absorber inside doing the shock work that the original relied on plastics to handle externally. That is a meaningful structural change behind a familiar face. At 13mm thick for a full-steel watch rated to 200m, it slides under a cuff more readily than its construction suggests it should. The 49.3mm lug-to-lug is honest about the wrist presence, but the slightly curved three-pronged lugs follow the wrist rather than sitting flat against it, which distributes the 172 grams better than the number implies. The module itself is assembled at Yamagata Casio, Casio's highest-specification production facility, and combines Tough Solar charging with Multi-Band 6 atomic synchronisation — meaning the time is set by radio signal automatically and the battery, in normal use, never needs attention.
- Reference
- 17051077
- Brand
- Casio
- Collection
- G-Shock
- Case size
- 43.6mm
- Case thickness
- 13mm
- Case material
- Resin
- Case shape
- Square
- Dial
- Black
- Crystal
- Mineral
- Movement
- Solar
- Functions
- Stopwatch, Countdown timer, Alarm, Backlight, World time, Solar powered, Radio controlled, Bluetooth, Digital display
- Water resistance
- 200m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Three-fold clasp
- Lume
- Luminous
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 49.3mm
Learn more about Casio
Tadao Kashio founded Kashio Seisakujo in Tokyo in 1946 as a machine shop. The company's first success was a finger ring that held a cigarette, and its second was the 14-A of 1957 — the world's first all-electric compact calculator, which used solenoids rather than gears.
Casio entered watchmaking in 1974 with the Casiotron, a digital watch with an automatic calendar that knew the varying lengths of months. The company approached watches as an electronics manufacturer rather than a horological one, and that difference produced the G-Shock.
The G-Shock came from a single engineer, Kikuo Ibe, who broke a watch his father had given him and set out to build one that could not break. The specification was three tens: survive a ten-metre drop, ten bars of water pressure, and ten years of battery life. It took over two hundred prototypes, and the solution was suspending the module inside the case on a cushioned internal structure rather than mounting it rigidly. The DW-5000C shipped in 1983.
It became one of the most durable product designs in any category, adopted by militaries, emergency services, and skateboarders alike, and Casio has since added solar charging, radio and GPS timekeeping, Bluetooth, and full-metal and carbon variants.
Casio also produces the Edifice, Pro Trek, and Oceanus lines, and remains an independent Japanese public company.
- 1946
- Tadao Kashio founds the company in Tokyo.
- 1974
- The Casiotron is Casio's first digital watch.
- 1983
- The G-Shock DW-5000C survives Kikuo Ibe's three-tens brief.
- 1994
- The Frogman extends G-Shock to ISO dive certification.
Also in 1 collection
This watch appears in the Casio G-Shock range (84).
No longer listed
No retailer we track is currently selling this reference. The specifications below are kept for reference, and the page returns to normal if it is listed again.
What the specifications mean
A watch built to be worn hard and got wet.
Strengths
- 200m water resistance, rated for actual diving
- 49.3mm lug-to-lug keeps the 43.6mm case wearable
- Luminous hands and markers for low light
- Second time zone for travelling
Worth knowing
- 43.6mm sits at the larger end
Casio Full Metal 5000 Series alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 17051077 | CB5887-55H | SNE595P1 |
|---|---|---|---|
| Price | £569 | £579 | £500 |
| Case size | 43.6mm | 43mm | 41mm |
| Water resistance | 200m | 200m | 200m |
| Movement | Solar | Solar | Solar |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Stainless steel bracelet |
| This watch | Closely matched |
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 200m it is rated for swimming, snorkelling and recreational diving.
Water resistance explainedWill the glass scratch?
It can, over time. Mineral glass handles daily wear but will pick up fine scratches that sapphire would not.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It charges from light, and the cell behind that is designed to last a decade or more.
Quartz, automatic and solar comparedWill it fit my wrist?
Lug-to-lug is 49.3mm, which suits wrists from roughly 16.5cm (6½ inches) upward.
Lug-to-lug decides fit more than case diameter does.
How to size a watch to your wristIs it a men's or women's watch?
Listed as men's.
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