History from a military background the Wenger integrates features used by the Swiss army making time pieces the most reliable of time pieces which has gone through rigorous tests to meet military requirements. Wenger watches withstand extreme conditions including sudden changes in altitude, hard impacts and magnetism. This particular timepiece is made of stainless steel with Black PVD coating, chronograph functions which include a 30 minute counter, 60 second counter & 1/10 second counter. The 70892 also has luminous indexes for night time visibility, tachymeter and a date display. The glass is of mineral crystal and the strap is made of rubber. This watch is a Special Edition PdG with logo on crystal on the case back. Dimensions of this time piece are 45mm case diameter including crown, 41mm without. Case depth size 10mm.