Serial: 27.3XX.XXX Dial: Beautiful applied logo dial in excellent condition with beautiful patina. Tritium plots are in excellent shape showing no degradation. Tiny impression on the dial between 47 & 48-minute markers.  Hands: Original Tritium hands in good shape. Case: 'HF' asymmetrical case. Case appears to be unpolished. Case shows some wear, (Please refer to pictures). Bezel: Very clean "DON" (Dot Over Ninety) TACHYMETRE bezel shows only minor wear as shown in photos. Bracelet: Omega 1175 solid flat link bracelet date 12/69. #47 end links.  Movement: Omega Cal 861. Running and keeping good time. No known service history. Accessories: None. Notes: Very nice example of a rare Transitional 145.022-68 ST Speedmaster with a killer dial & clean DON bezel.