**Product Specifications:**
**CASIO GMW-B5000 Series:**
The GMW-B5000 series combines advanced sophistication with street style, featuring a full metal square design that has become a classic in the fashion world.
Models: GMW-B5000G0-9, GMW-BSOOOGD-0012.2, GMW-B5000-1.
Features a rugged metal case with gold IP coating for a bold and fashionable look.
Available in various color options including gold, silver, and black.
Incorporates Bluetooth connectivity and MULTIBAND 6 technology.
Water resistant up to 200 meters.
Full automatic LED lighting.
Functions include stopwatch, countdown timer, world time, and more.
Solar powered with power saving function.
Weight: 167g.
Dimensions: 49.3mm x 43.2mm x 13.0mm.
**CASIO GM-B2100AD Series:**
The GM-B2100AD series offers a modern and durable design with a metal bracelet and buckle.
Features dual high brightness LED lighting.
Water resistant up to 200 meters.
Functions include stopwatch, countdown timer, world time, and more.
Solar powered with Bluetooth connectivity.
Weight: 165g.
Dimensions: 49.8mm x 44.4mm x 12.8mm.
**General Features:**
Both series come with a mineral glass display and quartz movement.
Include full auto-calendar, daily alarm, and low battery warning.
Offer 12/24-hour time formats and button tone on/off option.
Suitable for everyday wear and water activities up to 200 meters.
Avoid exposure to hot water, steam, shampoo, soap, and do not operate buttons underwater.
Warranty and product certification included.
Please note that specifications may vary slightly due to production batches and measurement methods. Dimensions are approximate and for reference only.