Bulova Accutron Snorkel 666 Feet with the historical Bulova Diapason movement, serial no. 4, therefore dating back to 1974. Steel case, 40 mm in diameter (excluding crown) with branded screw-down case back. Black dial with with white design, embossed steel hour markers with tritium finish, double date window at 3 o'clock. Large white baton hands and yellow central seconds hand. Bi-directional rotating external bezel. Original coeval branded crown and bracelet. Men's size strap, length (closed) approx. 20 cm. Historical Bulova Diapason movement from the Accutron series, cal. 2182 F, Bulova branded, in perfect working order and recently inspected. Very good overall condition, minor signs of wear on the case back, deeply polished a few years ago but with the writing still fairly visible. Overall the watch has preserved all of the charm that has made it a small icon among the technical watches of its time. No box or original papers. It will be sent with an elegant generic box. Secure shipping with tracking.