Breitling Chrono Shark / Shark Chronograph, Ref. A53606, from the early 1990s. Brand: Breitling Model: Chrono Shark / Shark Chronograph Reference: A53606 Period: Circa 1990–1994 Movement: Swiss quartz chronograph, Breitling Calibre 53 Case: Stainless steel Case diameter: Approx. 41–41.5 mm excluding crown Lug width: Approx. 20 mm Crystal: Sapphire crystal Dial: Blue Functions: Hours, minutes, chronograph, date, tachymeter scale Bezel: Unidirectional rotating stainless-steel bezel Crown: Screw-down Caseback: Screw-down stainless steel Water resistance: Caseback is marked 100 m / 330 ft Strap: Blue leather strap; replacement/non-original strap No box or papers Insured shipping by Fedex/Ups/Dhl fast and safe…. **Optionally, shipping from Europe is available with an additional payment** #nonstopwatchess