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Black digital watch with large 47.9mm resin case and matching strap

CASIO

CASIO TRT-110H-8AV mud-resistant watch 10-year battery 100m 47.9mm

SKU CH-WP3A-6N6VW

Mud-resistant digital watch with 10-year battery, 100 m water resistance, vibration alarm and super illuminator LED

  • Mud-resistant build handles harsh conditions
  • 10-year battery reduces replacement frequency
  • 100 m water resistance suits swimming and snorkeling
  • Super illuminator LED ensures low-light visibility
  • Vibration alarm provides discreet silent alerts

Built for tough conditions

The Casio TRT-110H-8AV is a digital watch with mud-resistant construction and a 47.9mm case designed for demanding environments. A 10-year battery reduces maintenance, while 100m water resistance supports swimming and snorkeling. Vibration alarms provide silent alerts in noisy settings.

Sustained reliability features

Mud-resistant seals protect the module during prolonged exposure to dirt and debris, keeping the quartz movement accurate over time. The super illuminator LED maintains consistent brightness for repeated low-light checks without fading. Dual time zones and a full auto-calendar running to 2099 stay correct through years of daily use.

Practical limits of 100m rating

Water resistance to 100m (330ft) covers swimming and snorkeling but does not qualify the watch for diving activities. Buttons should not be operated while submerged to preserve seal integrity. The resin strap and 27.6mm band width suit active wear but are not user-replaceable with standard spring bars.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $43.99
Cheaper than about 81% of the 2,679 comparable items (median $130.99).

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the watch draw during daily wear with the super illuminator and vibration alarm active?

The quartz movement runs on a single battery rated for 10 years of typical use; the super illuminator LED and vibration alarm draw only momentary current when activated.

What strap size or lug width must I already have to fit this 47.9 mm case?

The integrated resin strap is fixed to the 47.9 mm case, so no separate band or lug-width measurement is required.

Will the digital module sync with an older analog Casio module I keep as a backup?

Each watch operates independently; the TRT-110H-8AV uses its own quartz movement and cannot synchronise with another timepiece.

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