We understand the importance of sizing the length of your watch bracelet or strap to provide the perfect fit. Our simple to use watch sizing guide allows you to measure the size of your wrist from the comfort of your own home. Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 24 hours. Technical amendments and errors excepted. The sizes in figures do not correspond to the original sizes.

Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810. Whether in Europe, North America and Japan or in the outer reaches of Canada, Central America and China - once the watch has been set to the local time, it receives the relevant signal and shows the correct time wherever you are. In many countries, it also sets itself automatically to summer and winter time. The button tones on the mode button can be switched off for discreet operation. Pre-set alarm or timer functions remain active.

Model Comparison

With Bluetooth connection to the phone, the watch can set itself to the correct time wherever you go.

Phone Finder: Pressing a button on the watch will emit an audible tone from your phone, even in silent mode., Signal Range: Up to 2m (may differ depending on surrounding conditions), The watch can be wirelessly connected to a compatible smartphone or tablet via Bluetooth. The energy-saving technology enables access to a host of functions., The watch will automatically synchronise it's time when connected to a compatible smartphone Watch sizing can only be generally carried out on watches with metal bracelets, steel, titanium, gold, etc. Lovely practical piece of pure bling, faultlessly delivered by Watcho...... Can you give 10 stars for service ;-) Contrary to what it looks like, the GMW-B5000 series is NOT just a makeover of the DW-5600. Replicating the design and profile of the DW-5600’s case and bracelet with exacting detail using metal components is one thing. But ensuring the watch’s robust utilitarianism and modern-day functionality demanded a thorough overhaul from the inside-out.Soon after introducing the GMW-B5000D-1 and GMW-B5000TFG-9, Casio followed up with a range of GMW-B5000s that span new metal cases to new material combinations. Alarm Settings, Auto Summer Time (DST) Switching, Auto Time Correction, One-Touch Time Correction, Phone Finder, Reminder, Time & Place Log, Timer Settings, World Time (approx. 300 cities) The GMW-B5000D-1JF has a list price of ¥60,000 JPY and the GMW-B5000TFG-9JR has a list price of ¥70,000 JPY. On the outside, the GMW-B5000’s case is the result of countless rounds of forging, cutting and polishing. Meantime, the metal bracelet replicates the look of the original model’s resin strap using a dimple-pressing process. Underneath the hood, the GMW-B5000’s inner case comprises a series of carefully constructed housings with redesigned architecture to hold and cushion the timekeeping module.

In total, there are 4 different variations of the watch. The one covered is referenced GMW-B5000D-1. Does everything I want. Bombproof. Last one, earlier model, lasted 17 years. Could have replaced capacitor & strap fixings but decided to replace with this model. Excellent service, excellent product, excellent price. After the Alert: The following operations are stopped to save power: all hand movement (excluding the day indicator), Bluetooth connection, if applicable, and alarmsNote: GMW-B5000 T models have a titanium case, bezel, and band, and sapphire crystal. They are lighter (at around 104-106 grams) than the stainless steel versions. The screw connection on the base of the housing optimally protects the inner workings of the watch and simultaneously provides easy access, when changing the battery for example. World Time Function: Displays the current time in major cities and specific areas around the world.

Invisible solar cells in the watch convert light into energy and supply all functions. A rechargeable battery provides the necessary capacity for operation in poor light conditions. A warning appears on the display whenever battery power drops below a certain level., An indicator shows the current battery charge level Super Illuminator senses ambient light and lights up automatically with just a tilt of the wrist in lowlight environments. Misplaced your smartphone? All it takes is the push of a button on your watch and the smartphone sounds an alarm.Approximately 22 months on full charge, without further exposure to light and with the power save function enabled Aside from that, this watch boasts all of the usual bells and whistles: world time, alarm, stopwatch and timer.