CASIO MCW100H-1AV 50 mm resin chronograph watch
- Quartz
- Sport
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A grey digital watch with a 50.49mm dial, 24mm PU strap, luminous display, alarm, 50m water resistance, day and date, and a CR2025 battery included
The allentian 9811 is a lightweight digital watch built for daily wear and outdoor activities. Its 50.49 mm dial and 24 mm strap suit wrists that prefer a larger face. Students, runners and casual users gain core timekeeping tools in a single, ready-to-wear package. The CR2025 battery ships installed so the watch works straight from the bag.
A CR2025 button cell powers every function without external charging or cables. The solid-state movement produces no audible noise and generates no perceptible heat during normal use. The sealed case keeps moisture out while the battery maintains steady voltage across the operating temperature range. Maintenance stays limited to a single cell swap when the display eventually dims.
The WR50M rating covers splashes, rain, hand-washing and surface swimming but excludes diving or high-pressure water jets. Buttons must remain unpressed while the watch is wet to preserve the seal. Buyers who need deeper immersion or screw-down crown security should look for a higher ATM specification. For everyday wet-weather confidence the rating is sufficient.
Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Product color | Grey |
| Watch face color | Grey |
Open the alloy bottom cover, insert the CR2025 button battery with the positive side facing up, then reseal the cover evenly to keep the WR50M waterproof rating intact.
Replace the CR2025 button battery when the display dims or functions stop; clean the PU plastic strap and plexiglass mirror with a damp cloth to maintain wear resistance.
The WR50M rating protects against splashes and brief immersion, but prolonged swimming or pressing buttons underwater will exceed the pressure limit first.
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