TW Production TW Highly Recommended: The All-New Longines High-Frequency Precision Chronometer Series Longines CT3. 1. 43mm cushion-shaped case made of 316 stainless steel, featuring striking red hour and minute hands coated with luminous material, giving the watch a distinctive avant-garde sporty style, with a water resistance of 300 meters. 2. Equipped with an original imported 9015 movement, one-way rotating imported glass bezel, and sapphire scratch-resistant crystal. 3. Made with imported Italian calfskin paired with an original embossed pattern pin buckle, offering a rich three-dimensional feel. It is regarded as the world's first commercially mass-produced high-frequency diving watch. 4. All structures are replicated according to the original 1:1, achieving perfection. Please recognize TW's exclusive quality.