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 parameter of the watch for men 1,Brand: San Martin 2,Model: SN047-1 3,Movement: Japan Seiko NH35A Automatic Movement 4,Accuracy:+-10s 5,Mirror:Sapphire Mirror 6,Mirror Coating:Anti-Reflection Coating 7,Case Material: Retro Bronze 8,Bezel:Uni Directional Rotation Dive Bezel 9,Crown Material:Retro Bronze 10,Crown:Screw-in Waterproof Crown 11,Band:Genuine Leather Band / Rubber Band 12,Luminous:Swiss C3 Super Luminous Powder 13,Back: Waterproof Back Cover 14,Waterproof:200m Waterproof 15,Case Diameter:44mm 16,Case Thickness:13.5mm 17,Strap Width: 20mm 18,Weight:123g 19,Feature:Dive,Luminous,Date