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Casio G-Shock Mudmaster

GG-B100XM-1AER

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Product description

Casio G-Shock Mudmaster GG-B100XM-1AER

The Casio G-Shock Mudmaster GG-B100XM-1AER is an analogue-digital watch built around a mud- and dust-resistant resin case with a stainless steel bezel, running on Japanese quartz.

The 51 mm black resin case carries a multi-layered dial with large white Arabic numerals at 12, 3, 6, and 9, white baton indices, and partially skeletonised hour and minute hands with luminous fill sections - a thin red second hand cuts across the dark grey textured surface. A reverse LCD digital display sits in the lower dial half, and the bezel ring shows six exposed screw heads on its segmented outer ring, with multiple knurled, guard-flanked buttons projecting from the case sides. The black resin strap uses a coarse basketweave texture and integrates directly into the case structure, fastening with a buckle. Mineral glass covers the dial, and the case measures 19 mm thick.

Key Specifications

  • Movement: Quartz (CR2025 battery), Japan Made
  • Functions: Date, Day, Digital Time Display, Stopwatch, LED Light
  • Case: Resin, 51 mm diameter, 19 mm thick
  • Glass: Mineral Glass
  • Water Resistance: 20 ATM - suitable for diving
  • Strap: Resin (Rubber), Buckle - Universal strap

This watch accepts any strap labelled as universal - strap_width_mm is not listed in the product data, so confirm the exact lug width before ordering a replacement strap.

G-SHOCK's Land Master Line

Casio was established on June 1, 1957, with roots tracing back to the Kashio Seisakujo workshop founded in Mitaka, Tokyo in 1946. The MUDMASTER line sits within G-SHOCK's MASTER OF G - LAND family, built specifically for harsh field conditions with shock-, dust-, and mud-resistant construction. This GG-B100XM reference adds a stainless steel bezel and is identified by Casio as part of the Carbon Core Guard and Bluetooth-equipped lineup.

What the Specs Deliver

The Casio G-Shock Mudmaster GG-B100XM-1AER carries GG-B100XM-1AER as both the retail and model reference. At 20 ATM, the watch is rated for diving - significantly beyond what rain or swimming demands. The 51 mm resin case with its mud-resistant structure and Bluetooth connectivity via Smartphone Link means the digital time display can sync to the second without manual adjustment in the field.

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Product specifications

General

SKU
GG-B100XM-1AER
EAN
4549526409981
Gender
Man
Warranty
  • (Read more) 2-Year Warranty
    As an authorized dealer, Ditur provides a 2-year warranty covering the product from the date of purchase. This means that you have full international warranty for 2 years, allowing you to file a complaint with any authorized dealer worldwide in case of manufacturing defects.
Brand
Casio

Movement

Watch type
  • (Read more) Wristwatch Analogue
    An analog wristwatch is a traditional timepiece with hands that display hours, minutes, and seconds on a dial.
Movement
  • (Read more) Quartz
    The clockwork is quartz, which means that it is battery powered. A quartz movement is easy to maintain and ensures that the watch is always accurate.
Battery
CR2025

Design

Watch Case Colour
Black
Dial Colour
Black
Bezel Colour
Silver
Strap Colour
Black
Strap Material
  • (Read more) Resin
    A resin strap is made from a synthetic material that is highly strong and durable. The material is known for its resistance to wear and ability to retain color and luster over an extended period.
Watch Case Material
  • (Read more) Resin
    The watch is made of robust resin. Resin is a material similar to rubber, but tougher, which makes it suitable for sports and military equipment.

Size

Case Width
  • (Read more) 51 mm
    The watch case measures 51 mm in diameter. The diameter is measured including the entire bezel and excluding the crown. Half-diameter sizes are rounded to the nearest whole number.
Case Depth
  • (Read more) 19 mm
    The thickness/height of the watch case measures 19 mm from the top of the glass to the bottom of the back case.
Compatible watches/straps
Universal strap
Weight
104 g

Features

Water Resistance
  • (Read more) 20 ATM / 200 metres
    The watch is water resistant to 200 meters of water pressure (20 ATM) under static conditions without movement or temperature fluctuations. This means the watch is resistant to swimming and light diving. However, the watch is not classified as a diver’s watch, and we do not recommend diving deeper than 15 meters while wearing the watch.
Glass
  • (Read more) Mineral Glass
    The watch is equipped with mineral glass, a hardened and heat-treated glass material that provides flexibility, making it more resistant to shattering upon impact. Scratch and wear resistance are measured on the Mohs hardness scale, which ranges from 1 to 10. Mineral Glass ranks at 5-6 on this scale.
Clasp Type
Buckle
Lumen
  • (Read more) LED Light
    The watch is equipped with an LED light that can illuminate the dial or display, so you can always check the time whether it is by day or night.
Functions
  • (Read more) Date
    The watch is equipped with a date display that advances every second time the hour hand passes 12 o'clock. The date display counts up to 31 days and must be manually adjusted in months with fewer than 31 days.
  • (Read more) Day
    The day display on an analog watch shows the day of the week, often positioned in a small window on the dial. The day advances automatically every second time the hour hand passes 12 o'clock.
  • (Read more) Digital Time Display
    The digital time display on a watch shows the time in a numerical format, with hours and minutes clearly displayed with numbers.
  • (Read more) Stopwatch
    The watch is equipped with a stopwatch function, allowing you to measure precise timing with start, stop, and reset. This is useful for measuring the duration of activities, event times, or training intervals. The stopwatch function adds a practical tool to the watch that can be used in various situations requiring accurate timing.

Smartwatch functions

APP
  • (Read more) Casio Watches
    To connect this watch to your phone, download the Casio Watches app from App Store or Google Play. In this app you can find the relevant setup instructions.

Product information

Address
Casio-Platz 1, Norderstedt 22848, DE
Contact information
info@casio.de
Manufacturer
Casio Europe GmbH
Specifications may be AI-generated and contain errors.

Delivery & Return

Delivery policy

We always strive to deliver your order quickly and efficiently, so we have carefully selected the best and safest delivery methods and distributors.
At Ditur.co.uk we offer the following delivery options:

Royal Mail home delivery: £5
Royal Mail Collection Point: £5

Cutoff: 2 PM (CET). *Business days

Return policy

99 days full return policy!

At Ditur.co.uk we only sell products that we have carefully selected and tested the quality of. Therefore, you get 99 days full return policy when you buy our products.

We trust the quality and prices of our products. That's why we give you plenty of time to consider whether you want to keep your new purchase, so you feel completely safe.

This means that for 99 days from the date of purchase, you can return your goods for a full refund, as long as the product is returned in the original condition in which it was delivered. 

At Ditur, it is important for us to always provide good customer service, so if you need help, our experienced customer service team will be ready to help you. If you are not satisfied with an item, you can easily and simply return your item by filling out and printing a return form, which you can find here.

Product reviews

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