This is a quartz diver from MWC, SUB/SS/B/Q. The quality is very high. It is currently running without any problems. There are no noticeable scratches, and it is in beautiful condition, but please understand this before purchasing. The product specifications are as follows: Case diameter: 43mm (excluding the crown) Made of 316L stainless steel Windshield: Reinforced mineral crystal Screw-down crown Movement: RONDA 715ft with date Belt: NATO type Comes with a dedicated case The following is from the web: MWC (Military Watch Company) has been steadily supplying watches to military forces, anti-terrorist units, police forces, airlines, and mining companies around the world. Today, it has established itself as a leading supplier of international mission watches, with bases in Switzerland, the UK, Germany, Canada, South Africa, Australia, and other countries. Movement: Quartz/battery powered Dial color: Black Belt color: Black