MWC Limited Edition Altimeter Wall Clock with High Visibility Dial, Sweep Second Hand and a Silent Quartz Movement (Size 22.5 cm / approx 9") Titanium General Service Watches - 300m Water Resistant it is a premium feature

it is a premium feature typically found in high-end timepieces

replace the battery prior to testing to avoid repeated tests

While more expensive than mineral glass

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MWC Limited Edition Altimeter Wall Clock with High Visibility Dial, Sweep Second Hand and a Silent Quartz Movement (Size 22.5 cm / approx 9") Titanium General Service Watches - 300m Water Resistant it is a premium featureSKU Code: CLOCK. ALT RED Originally created in 2009 as promotional items for our retailers, flying clubs, and military bases, our military themed clocks have become incredibly popular. Due to high demand, we expanded our range to offer these unique clocks for retail sale as well. Serving as excellent conversation pieces in offices, workshops, garages, reception areas, and more, this limited edition model is a unique variation of the original design.