Last ones in this popular color in the 20mm size! We've sold 32 here already, so these will be sold out soon. Vintage watch collectors recognize this as an unusual original vintage Tropic strap type 20mm blue waterproof dive watch band. Made in Switzerland during the 1960s/70s by Golay & Guignard S.A. Geneva, as shown on the original package below. Band is made of nylon with a stainless steel buckle signed Acier on back.

These are the "Playa" vintage dive watch band model by Golay. Standard length strap that measures 7 1/2 inches (19.2cm) placed end to end, not counting the buckle. Metric measurements are 115/75mm. Thickness is 4.5mm where the band meets the watch and 2.1mm at the tail end. Takes a 16mm opening buckle. This auction is for one 20mm blue band. Tropic band style strap popular with vintage dive watch models and vintage chronograph watch styles. These Golay Playa bands come in black 20mm and blue 18mm or 20mm. Easy to modify the ends of these bands for those hard to fit 19mm watches. Go with a seller with more than 18,000 positive feedbacks on EBAY since 1998 and a member of the NAWCC watch collector's association since 1997.