TW2025 Highly Recommended Longines High-Frequency Precision Observatory Series 1. 43mm Cushion-shaped 316 Stainless Steel Case, featuring striking red hour and minute hands coated with luminous paint, giving the watch a distinctive avant-garde sports style and a water resistance depth of 200 meters. 2. Equipped with the original imported 9015 movement, one-way rotating imported glass bezel, and scratch-resistant sapphire crystal. 3. Imported Italian calfskin leather paired with an original embossed pattern pin buckle, offering a strong 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, making it a perfect rendition.