Iconic Bulova Accutron Spaceview, commemorating its 50th anniversary this year. 'M6' inscription on the back side indicating that its production year was 1966. The skeleton movement and coils are clearly visible through the crystal, white second hand and luminous hours and minutes white hands, convex crystal with white markers and an Accutron logo. Unusual and emblematic steel case in geometric shape measuring 34 mm in diameter, stainless steel back side, the slot for the battery can be easily opened with a coin, a new battery has been installed. The watch is in working order and you can hear the buzzing of the tuning fork. The adjustment lever can be raised with a thumbnail or a nail. The casing back is signed as follows: "BULOVA WATERPROOF INOX BREVETÉ A68512 M6". In perfect working order and accurate time-keeping. Genuine leather strap bracelet measuring 19 cm excluding the pin buckle. This Spaceview model is one of the most popular collectibles amongst the first Accutron watches from the 1960s. Careful and registered shipping with insurance. Happy bidding to all.