The Nivada Grenchen Aviator Sea Diver, reference 85017, is one of the Swiss watchmaker’s most iconic vintage chronographs, prized for its sporty character and versatile design that combines elements typical of both pilot’s and diving watches. The 38mm stainless steel case is paired with a bezel featuring a tachymeter scale and an eye-catching black dial with red accents, a combination that lends the watch a strong personality and excellent readability. The plexiglass crystal and stainless steel caseback preserve the authentic charm of vintage production. The watch comes with its original strap, a detail always appreciated by enthusiasts and collectors of vintage chronographs. Key Features:  • Brand: Nivada Grenchen  • Model: Aviator Sea Diver  • Reference: 85017  • Movement: manual-winding mechanical  • Functions: hours, minutes, seconds, chronograph  • Case: steel  • Dimensions: 38 mm  • Bezel: steel with tachymeter scale  • Crown: original  • Crystal: plexiglass  • Case back: steel  • Dial: black with red accents  • Strap: original