About San Martin Men Wrist Watch San Martin was founded in 2012 as a fashion brand of wristwatch. From 2002 to 2012, as a professional wristwatch enthusiast, San Martin began to modify various classic dive wristwatches and began to have a professional team. In 2002, we independently produced the first batch of customized men diving wristwatches. The wristwatches designed in recent years are highly praised by wristwatch enthusiasts. As a watch enthusiast to make watches, San Martin insists on making mens watches with excellent movements, high-grade materials and professional techniques, and refuses to make watches with poor automatic movements and techniques. At present, we have produced retro professional dive style, new style watches is in constant development. In the future, we will launch more classic or innovative watch models with super value! San Martin, keep working hard for wrist watch lovers!! Thank you for you support San Martin! To strive, to pursue, to explore, and never give in. the mens' Watches features: 1. The shape of the watch case is "abalone" shell type, the chronograph ring gear is 120 feet dense teeth. 2. The dial adopts metal character nail time scale, filled with luminous, metal three-dimensional time scale. 3. Three-dimensional hand-patterned needles (brushed in the middle, batched flowers on both sides), coated with luminous inside. 4. The dial is also filled with luminous hour markers and metal dials. The dial effect has made the recently popular "Kanagawa Surfing Map". The overall surface is luminous. The 3D printed "Kanagawa Surfing Map". 1,Japan Seiko NH35A Automatic Movement 2,Accuracy:+-15s 3,Anti-Reflection Coating Sapphire Mirror 4,316L Stainless Steel Case & Bezel & Screw-in Waterproof Crown 5,"Kanagawa Surfing Map" Luminous Dial 6,Swiss C3 Super Luminous Powder 7,200m Waterproof 8,Case Size:42mm*13mm