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,Brand: San Martin 2,Model: SN059 3,PT5000 Automatic Movement 4,Accuracy:+-15s 5,Mirror:Sapphire Mirror 6,Anti-Reflection Coating 7,Case Material: 316L Stainless Steel 8,Bezel: 316L Stainless Steel Bezel 9,Crown Material:316L Stainless Steel 10,Crown:Screw-in Waterproof Crown 11,Band:Stainless Steel Band 12,Luminous:Swiss BGW-9 Super Luminous Powder 13,Back: Screw-in Waterproof Back Cover 14,Waterproof:100m Waterproof 15,Case Size:39.0mm*12.5mm