The Basics

The Casio G-Shock Mudmaster is a dust- and mud-resistant multi-function watch. The GG-1000 was introduced in 2016. It features a movement (‘module’) with two sensors – one for temperature readings and the other for a digital compass. The thermometer is able to measure and display temperatures from -10°C to + 60°C. When engaged, the compass indicates the magnetic north through hone of the hands. The movement also features the usual world time function, alarms, timer and a stopwatch. Reference GG-1000-1A is done in black and black. Total weight: 92 gram

Brand: Casio
Family: Mudmaster
Reference: GG-1000-1A
Name: G-Shock Mudmaster Twin Sensor Black / Black
Produced: 2015
Limited: No

Below is a detailed look at Casio’s model GG-1000-1A from Mudmaster watch family, including the price, case details and movement features.

Casio Mudmaster GG-1000-1A

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The Details

Casio’s G-Shock Mudmaster Twin Sensor Black / Black (GG-1000-1A) was originally released in 2015. This watch features a quartz movement beating at a frequency of N/A ( N/A Hz) to provide a -hour power reserve when fully wound.

The Case

The stainless steel, resin case measures 55.3mm in diameter and roughly 17.1mm thick. The case is paired with a black color dial with sword-shaped hands, and a mixed hour markers and minute track, covered by a mineral glass. Casio’s Mudmaster model GG-1000-1A is water resistant up to 200 meters (656 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel, Resin
Glass: Mineral
Back: Solid
Diameter: 55.3mm
Height: 17.1mm
Lug Width: N/Amm
W/R: 200

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Mudmaster GG-1000-1A movement is a powered by caliber 5476 made by Casio. The N/A-jewel quartz movement is mm in diameter. Its balance wheel oscillates at N/A semi-oscillations per hour or N/A Hz. This movement offers a -hour power reserve.

Type: Quartz
Brand: Casio
Caliber: 5476
Base: N/A
Display: Analog/ Digital
Diameter: mm
Jewels: N/A
Reserve: hours
Frequency: N/A
Time: World Time, Hours, Minutes, Seconds
Chronograph: Chronograph, Countdown
Additionals: Thermometer, Compass

The Price

How much does the Casio’s Mudmaster GG-1000-1A cost? This watch was introduced in 2015 and has been in Casio’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.


For more information, visit Casio online.


  • Brand: Casio
  • Model: G-Shock Mudmaster Twin Sensor Black / Black
  • Reference Number: GG-1000-1A
  • Limited: No

Case & Dial:

  • Material: Stainless steel, Resin
  • Glass: Mineral
  • Back: Solid
  • Diameter: 55.3
  • Thickness: 17.1
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Mixed and Sword-shaped hands
  • Water Resistance: 200 meters


  • Winding: Quartz
  • Brand: Casio
  • Caliber: 5476
  • Display: Analog/ Digital
  • Diameter: mm
  • Jewels: N/A
  • Power Reserve: hours
  • Frequency: N/A
  • Functions: World Time, Hours, Minutes, Seconds

About Casio

Casio logo

In 1946, Tadao Kashio founded a company called Kashio Seisakujo, in Mitaka, Tokyo. One of his earliest innovations was some kind of ring that held a cigarette, allowing its wearer to smoke the cigarette until its very end – with Japan impoverished from WWII, this innovation was quite a success. Tadao Kashio, now joined by his brothers Toshio, Kazuo and Yukio, would go on and invest the proceeds … in the development of electronic calculators, of which the first prototype was shown by in 1954. In 1957 the first commercially available electronic calculator was introduced by the company, at which time Casio Computer Co., Ltd. is established.

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